help meeeeeeeeeeeeee​

Help Meeeeeeeeeeeeee

Answers

Answer 1

Answer:

XCl₂ + 2AgNO₃ —> X(NO₃)₂ + 2AgCl

The coefficients are: 1, 2, 1, 2

Explanation:

XCl₂ + AgNO₃ —> X(NO₃)₂ + AgCl

The equation can be balance as follow:

XCl₂ + AgNO₃ —> X(NO₃)₂ + AgCl

There are 2 atoms of Cl on the left side and 1 atom on the right side. It can be balance by writing 2 before AgCl as shown below:

XCl₂ + AgNO₃ —> X(NO₃)₂ + 2AgCl

There are 2 atoms of Ag on the right side and 1 atom on the left side. It can be balance by writing 2 before AgNO₃ as shown below:

XCl₂ + 2AgNO₃ —> X(NO₃)₂ + 2AgCl

Now, the equation is balanced.

The coefficients are: 1, 2, 1, 2


Related Questions

The half-life of tritium (H-3) is 12.3 years. If 48.0mg of tritium is released from a nuclear power plant during the course of a mishap, what mass of the isotope will remain after 49.2 years?

Answers

Answer:

Explanation:

it is tough question plz give me some time i would give you your ans soon

Magnesium sulfate + Zinc - ?

Answers

Nothing happens, Magnesium is more reactive so zinc can not replace a magnesium ion.

Give me lil reasoning so I know your not lying for points
:(
(I’ll mark you as brainlister )

Answers

Answer:

0.01 psi

Explanation:

If you look at the data points plotted on the graph, the slope of the line touches 0.1 for the y-axis when it is at 20 for the x-axis.

Is it A?
NEED HELP ASAP PLEASE

Answers

Answer:

yea it is if not then sorry

Explanation:

See photo! Calculating mass and percentage yields. ​

Answers

Answer:

see above

Explanation:

check for cfe's

Why is it important to know characteristics that matter undergoes in chemistry? How can we analyze the relationships between chemical and physical changes and properties?
Extension Questions: What is the study of Chemistry? Who are some of the important people who have contributed to the field? How do regular Americans interact with Chemistry around them?
How can we understand the historical development of the Periodic Table and apply its predictive power?
Extension Questions: Describe different chemical principles and systems. How does the layout of the periodic table allow you predict other element's properties? Consider all types and groups of elements.

Why is it important to know and understand the historical development of atomic theory?
Extension Questions: How does the atom relate to the elements of the periodic table? What are your most common models and how do they relate to the current atomic model? What theories don’t hold true today if any?
How do atoms combine to form ionic, covalent, and metallic bonds?
How can we write and balance chemical equations using the law of conservation of mass?

Answers

Answer:

Chemistry is important because everything you do is chemistry! Even your body is made of chemicals. Chemical reactions occur when you breathe, eat, or just sit there reading. All matter is made of chemicals, so the importance of chemistry is that it's the study of everything.

Which of the following MOST influences a major
shift in how the entire nucleotide sequence is
read?
А
base-pair substitutions and point mutations
B
silent mutations and nonfunctioning proteins
С
missense mutations and nonsense mutations
D
base-pair insertions and deletions

Answers

Answer:

Which of the following MOST influences a major

shift in how the entire nucleotide sequence is

read?

А base-pair substitutions and point mutations

B silent mutations and nonfunctioning proteins

С missense mutations and nonsense mutations

D base-pair insertions and deletions

Among the given disorders, missense mutations and nonsense mutations which  mostly  influences the shift in entire nucleotide.

What is mutation?

A nucleotide is made of ribose sugar, phosphate groups and base pairs. Each base have a complementary base to which it pairs. If any disorder occurs in the base pairing or coding in nucleotide it is called the mutation.

A missense mutation is a sort of point mutation or single base mutation that alters the DNA by replacing one nucleotide of the codon with another nucleotide, thus changing the amino acid that is coded for in the protein.

A nonfunctional protein may emerge from the substitution of an amino acid, or the protein may not be impacted at all. Whether the mutational alterations are "conservative" or "nonconservative" will determine the functionality of the resulting protein.

It's interesting to note that the mutation is known as a nonsense mutation when the alteration in the codons nucleotide causes the development of the stop codon. The nonsense mutation causes the premature end of protein synthesis as a result of the creation of the stop codon.

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1. A wave has a frequency of 800 Hz and a wavelength of 2000 cm. What speed
is this wave traveling?

Answers

Answer:

V=f*(wavelength)

V= (800)(20m)

16000m/s

Explanation:

13 Consider this neutralization reaction.
H2SO4 + 2KOH → K2SO4 + 2HOH
Which compound is the salt produced in this
reaction?
(1) KOH
(2) H2SO4
(3) K2SO4
(4) HOH

Answers

The salt is (3) k2so4

Explanation:

The answer to the question is (3) K2SO4

Why does an ice cube melt when you hold it in your hand?

Your hand transfers temperature to the ice cube.

Heat from the ice cube is transferred to your hand.

Heat is transferred from your hand to the ice cube.

The ice cube radiates heat to your hand.

Answers

heat is transferred from your hand to the ice cube

Answer:

Heat is transferred from your hand to the ice cube.

Which of the following elements will have its valence electrons represented as in Figure A?
I. Oxygen and Sulfer
II. Selenium and Tellurium
III. Polonium only

A. I only
B. II only
C. III only
D. I, II, and III

Answers

D
Bc all of them in the 6th columns

helpp!!
how much energy is required to heat up 100.0 grams of water from 0.000C to 60.00C?

Answers

Answer:

25,104

Explanation:

100.0 x 4.184 x 60.0 = 25,104

Energy required to heat up 100 grams of water(4.184J/g°C) from 0.000C to 60.00C is 25,104.

What is Thermodynamics?

The science of thermodynamics examines the connections between heat, work, temperature, and energy. The rules of thermodynamics explain how energy moves inside a system and whether or not the system is capable of performing beneficial work on its surroundings. The heat needed to increase one gram of a substance's temperature by one degree Celsius is known as specific heat capacity.

Here,

The specific heat capacity of water is 4.184 J/g° C

This is the heat required to increase the temperature by 1°C.

same way, 4.186J is heat required to raise the temp of 1 gram of water.

Derived equation is: q = mcΔT

Where,

q is heat required

c is specific heat capacity of the substance

m is mass of the substance and

ΔT is the change in temperature

Given,

m = 100g

ΔT = 60.00C - 0.00C

ΔT = 60°C

c = 4.184 J/g°C

now, substitute the values:

q = mcΔT

q = 100 × 60 × 4.184

∵ q = 25,104

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list 2 ways mechanical energy can be transformed into non-mechanical energy ?

Answers

Answer:

One is the classic example of friction. When two surfaces rub together, they generate thermal energy, or heat. This is a transformation of the mechanical kinetic energy of the objects into the thermal non-mechanical energy (which is small-scale kinetic energy).

Mechanical energy can be used to overcome friction or lost in form of heat in machine parts. Friction and heat are two non-mechanical energy.

Transformation of mechanical energy into non mechanical energy

Based on the principle of conservation of energy, energy can neither be created nor destroyed but can be transformed from one form to another.

Two ways mechanical energy can be transformed

The two ways mechanical energy can be transformed include the following;

FrictionHeat

Mechanical energy can be used to overcome friction or lost in form of heat in machine parts, in this process, the mechanical energy (kinetic energy) would be converted into other forms of energy such as heat.

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What is the molarity of a solution made from dissolving 3.0 moles of Saline (NaCl) in 0.25 L of solution?

Answers

Answer: the answer is 12M

Explanation: 3.0mol/ 0.25L =12M

12M is the molarity of a solution made from dissolving 3.0 moles of Saline (NaCl) in 0.25 L of solution.

What is molarity?

The amount of molecules of molecules divided by the quantity of liters in solution is the definition of molarity, a concentration unit in chemistry. It is crucial to comprehend how it is calculated as well as when to employ it in comparison to other units because it is among the most widely used concentration units.

A chemical solution's concentration is measured in molarity (M). It refers to the solute's moles per liter of solution. To be clear, this is not the same as the liters of solvents (a common mistake).

molarity = number of moles of solute/ volume of solution in litre

molarity =3.0mol/ 0.25L

             =12M

Therefore, 12M is the molarity of a solution made from dissolving 3.0 moles of Saline (NaCl) in 0.25 L of solution.

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1 mole of any gas is equivalent to?

Answers

Answer:

22.4 L at standard temperature and pressure.

Which organ detects stimuli from the environment and is part of the nervous system?
Group of answer choices

A. eye

B. stomach

C. heart

D. lungs

Answers

It's the eye because it's the organ of sight

Give the electronic configuration of an atom of sulfur.

Answers

Answer:

1s² 2s² 2p⁶ 3s² 3p⁴

Explanation:

Looking at the periodic table, we see that sulfur (S) has an atomic number of 16, this means its electronic configuration would be:

1s² 2s² 2p⁶ 3s² 3p⁴

We know the electronic configuration written above is correct because the sum of all the superscript numbers is 16 (2+2+6+3+4=16).

How are cations formed? A. when one or more electrons of an atom disintegrate B. when an atom gains one or more electrons from other atoms C. when an atom shares one or more electrons with another atom D. when an atom loses one or more electrons

Answers

Answer:

D

Explanation:

When an atom loses an electron the number of electrons exceeds the number of protons. This means that the negative charge induced by the electrons exceeds the positive charge induced by the protons.

if 13 moles of Fe react, what is the mass of FeS produced?​

Answers

Answer:

1144 g of FeS

Explanation:

We'll begin by writing the balanced equation for the reaction. This is illustrated below:

Fe + S —> FeS

From the balanced equation above,

1 mole of Fe reacted to produce 1 mole of FeS.

Therefore, 13 moles of Fe will also react to produce 13 moles of FeS.

Finally, we shall determine mass of 13 moles of FeS. This can be obtained as follow:

Mole of FeS = 13 moles

Molar mass of FeS = 56 + 32

= 88 g/mol

Mass of FeS =?

Mass = mole × molar mass

Mass of FeS = 13 × 88

Mass of FeS = 1144 g

Therefore, 1144 g of FeS were obtained from the reaction.

classify the following elements under metals, non metals and metalloids, boron, zinc Mercury, silicon, oxygen, nitrogen, sodium​

Answers

Answer:

Zinc mercury transition metal

Silicon boron metalloid

Oxygen nitrogen non metal

Sodium alkali metal

Explanation:

How does the ocean affect coastal climate?
O A. The specific heat keeps the ocean temperatures more even.
B. The specific heat capacity makes the coast colder in winter.
C. The specific heat keeps the coast region warm year-round.
O D. The specific heat keeps warm air constantly blowing inland.
Lo

Answers

Answer:

A. The specific heat keeps the ocean temperatures more even.

Explanation:

I just took a test on a p e x  and it was correct! :)

Un compuesto contiene un peso de 40% de carbono, 6.7% de hidrógeno y 53.3% de oxígeno una muestra de 0.10 moles de este compuesto pesa 6.0g la formula molecular del compuesto es

Answers

Answer:

[tex]C_2H_4O_2[/tex]

Explanation:

¡Hola!

En este caso, dado que conocemos la composición porcentual del compuesto, es posible primero obtener la formula empírica al asumir que dichos porcentajes son gramos, que se vuelven moles con las masas atómicas de carbono, hidrógeno y oxígeno respectivamente:

[tex]n_C=40gC*\frac{1molC}{12.01 gC}=3.33molC \\\\n_H=6.7gH*\frac{1molH}{1.01gC}=6.6molH\\\\n_O=53.3gO*\frac{1molO}{16.00gO}=3.33molO[/tex]

De este modo, ahora obtenemos las relaciones molares entre ellos, con el fin de obtener los subíndices en la fórmula empírica:

[tex]C:\frac{3.33}{3.33}=1\\\\ H:\frac{6.6}{3.33}=2\\\\O:\frac{3.33}{3.33}=1[/tex]

Por consiguiente, la fórmula empírica es:

[tex]CH_2O[/tex]

Finalmente, dado que la masa molar del compuesto es 6.0/0.10=60g/mol (dada la masa y las moles), es posible notar que como la masa molar de la fórmula empírica es 30; esta es dos veces la molecular, por lo que esta ultima resulta:

[tex]C_2H_4O_2[/tex]

¡Saludos!


19. A piece of unknown metal with a mass of 62.0g and an initial temperature of 95.3°C is dropped into
100.0g of water with an initial temperature of 27.0°C. The final temperature of the system is 34.0°C.

Answers

Answer:

a

Explanation:

CaC2(s) + 2H2O(l) --> Ca(OH)2(aq) + C2H2(g) In the reaction above, 0.5487 grams of calcium carbide are completely consumed to produce acetylene gas, C2H2. What volume (in mL) will this gas occupy if it is collected at 43 degrees Celsius and 0.926 atm pressure

Answers

Answer:

239.7mL

Explanation:

Using the general gas equation;

PV = nRT

Where;

P = pressure (atm)

V = volume (L)

n = number of moles (mol)

R = gas constant (0.0821 Latm/molK)

T = temperature (K)

The balanced chemical equation in this question is as follows:

CaC2(s) + 2H2O(l) --> Ca(OH)2(aq) + C2H2(g)

From the equation, 1 mole of CaC2 produces 1 mole of ethylene gas, C2H2.

Using mole = mass/molar mass

Molar mass of CaC2 = 40 + 12(2)

= 40 + 24

= 64g/mol

mole = 0.5487/64

mole = 0.00857mol of CaC2

Hence, 0.00857mol of CaC2 produced 0.00857mol of C2H2

Based on the information provided, n = 0.00857mol, T = 43°C = 43 + 273 = 316K, p = 0.926 atm

PV = nRT

V = nRT/P

V = 0.00857 × 0.0821 × 316/0.926

V = 0.222/0.926

V = 0.2397L

In mL, volume = 0.2397 × 1000

= 239.7mL

8. If a chemical reaction such as photosynthesis begins with 6 atoms of carbon (C), how many atoms of carbon (C) should be in the products? A. 12 atoms of carbon (C) B. 6 atoms of carbon (C) c. 3 atoms of carbon (C) D. 2 atoms of carbon (C)
A. 12 atoms of carbon (C)
B. 6 atoms of carbon (C)
C. 3 atoms of carbon (C)
D. 2 atoms of carbon (C)​

Answers

Answer

b

Explanation:

Growing the same crop on the same field year after year
A)
enriches the soil content.
B)
promotes a higher plant yield.
C)
raises the risk of increasing the number of pests in that area.
D)
guarantees that the plants will intake all the fertilizers applied.

Answers

Answer: The answer is D,

A 6.0-V battery does 1200 J of work transferring charge. How much charge is transferred?

Answers

answer is below!! hope this helped

A 6.0-V battery does 1200 J of work transferring charge, then 100C charge is transferred.

What is battery ?

One or more electrochemical cells with external connections for powering electrical equipment make up an electric battery, which is a source of electric power.

A battery's positive terminal serves as the cathode and its negative terminal serves as the anode when it is delivering electricity.

Electricity is accepted, stored, and released on demand by batteries and similar devices. Like many other common energy sources, batteries store energy through chemistry in the form of chemical potential.

For instance, until they are burned, logs store energy in their chemical bonds for later conversion to heat.

V = 12 V

W = 1200 J

q = ?

V = W / q

12 = 1200 / q

q = 100 C

Thus, A 6.0-V battery does 1200 J of work transferring charge, then 100C charge is transferred.

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precautions of a radioactive decay lab ?​

Answers

Answer:

Don't touch radioactive waste with bare hands

Don't eat the radioactive thing

Wear protective eyewear

Wear lab coat/gloves

Explanation:

https://ehs.princeton.edu/laboratory-research/radiation-safety/radioactive-materials/handling-radioactive-materials-safely

Princeton article

does lithium violate the octect rule

Answers

Answer: Lithium, an alkali metal with three electrons, is also an exception to the octet rule. Lithium tends to lose one electron to take on the electron configuration of the nearest noble gas, helium, leaving it with two valence electrons. There are two ways in which atoms can satisfy the octet rules.

Explanation: Hope this helped! :)

If an electron has an acceleration of 2.33 × 102 m/sec2, what is this value in units of m/min2?

Answers

Answer:

The electron has an acceleration of 838800 [tex]\frac{m}{min^{2} }[/tex]

Explanation:

An electron has an acceleration of 2.33*10² [tex]\frac{m}{sec^{2} }[/tex]

To be able to express in units [tex]\frac{m}{min^{2} }[/tex], you must carry out the conversion taking into account that 1 [tex]\frac{m}{sec^{2} }[/tex]= 3600 [tex]\frac{m}{min^{2} }[/tex]. Then you can apply the following rule of three: if 1 [tex]\frac{m}{sec^{2} }[/tex] equals 3600 [tex]\frac{m}{min^{2} }[/tex], 2.33 * 10² [tex]\frac{m}{sec^{2} }[/tex] equals how much [tex]\frac{m}{min^{2} }[/tex]?

[tex]\frac{m}{min^{2} }=\frac{2.33*10^{2} \frac{m}{sec^{2} }*3600\frac{m}{min^{2} }}{1\frac{m}{sec^{2} }}[/tex]

[tex]\frac{m}{min^{2} }=838800[/tex]

The electron has an acceleration of 838800 [tex]\frac{m}{min^{2} }[/tex]

Other Questions
Please Help!Pretend you are a member of a caste. Write a letter to a friend telling about your life in that particular caste. Describe your day and your feelings as you are forced to stay within a certain group for all of your interactions. Mention things you might like to do but cant because of your caste DOCUMENT C - Isaac Wilkins - Before I Leave AmericaThe letter below was published by Loyalist Isaac Wilkins in the New York Gazetteer on May 11, 1775.My Countrymen,BEFORE I leave America, the land I love, and in which is contained everything that is valuable and dear to me, my wife, my children, my friends and property; permit me to make a short and faithful declaration...God is my judge, and God is my witness, that all I have done, written or said in relation to the present unnatural dispute between Great Britain and her Colonies proceeded from an honest intention of serving my country. Her welfare and prosperity were the objects towards which all my endeavors have been directed. They still are the sacred objects which I shall ever steadily and invariably keep in view. And when in England, all the influence that so inconsiderable a man as I am can have, shall be exerted in her behalf. It has been my constant maxim [a general rule or truth] through life to do my duty conscientiously [with a lot of care or effort], and to trust the issue of my actions to the Almighty. ...I leave America, and every endearing connection, because I will not raise my hand against my Sovereignnor will I draw my sword against my Country. When I can conscientiously draw it in her favor, my life shall be cheerfully devoted to her service.QUESTIONS:RESPONSES:1. What is the main idea of the document?1. : 2. How do you know? (provide evidence)2. :3. How does this document answer the central question?3. : If the identity of the thief is evident to everyone, will the police know who robbed the bank? Why or why not? A family eats at a restaurant. The bill was $54. 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He helps me feel lots better!" . . . A sense of security is critical for any grieving child, and Bindi, naturally, had found it in an animal -- one who'd sit on her shoulder as she'd rollerblade and on her lap during interviews. As she prepared to take on life without Dad, a small friend provided big comfort.Steve and Bindi Irwin,Amy BreguetHow might a sixth-grader connect this text to his or her own life?A sixth-grader can appreciate that a pet can be a great comfort to a kid who is sad.A sixth-grader knows what it is like to have a career.A sixth-grader understands how to train rats.A sixth-grader knows a lot about nature and animal habitats. What is the ratio of water to drink mix? (2 points)What is the ratio of drink mix to water? (2 points)plssssssssssssssssssssssss help me asapTo make his special energy drink, Jerome uses 8 cups of water and 3 cups of drink mixWhat is the ratio of drink mix to mixed energy drink? (2 points)What is the ratio of water to mixed energy drink? 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