The correct location of the given object on represents continental drift or seafloor spreading.
Continental drift: magma pushing two plates apart and concept of PangaeaSeafloor spreading: oceanic ridges and oceanic plates sliding under continental crustWhat is continental drift?The scientist Alfred Wegener is most closely connected with the concept of continental drift. Wegener wrote a paper outlining his notion that the continents were “drifting” across the Earth, occasionally crashing through oceans and into one another, in the early 20th century.
The seafloor spreading is the increase of seawater covering the land area. The spreading of seawater is decreasing the land area.
Thus, the correct location is:
Continental drift: magma pushing two plates apart and concept of PangaeaSeafloor spreading: oceanic ridges and oceanic plates sliding under continental crust.To learn more about continental drift, refer to the below link:
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0.05 moles of HCL are added to 2 L of H2O. What is the molarity of the solution?
Impossible to answer the question with the information provided.
1.60
0.025M
10.4
The molarity of the solution made by dissolving 0.05 mole of hydrogen chloride (HCl) in 2 L of water (H₂O) is 0.025 M
What is molarity?Molarity is defined as the mole of solute per unit litre of solution. Mathematically, it can be expressed as:
Molarity = mole / Volume
How to determine the molarity Mole of HCl = 0.05 mole Volume = 2 L Molarity =?Molarity = mole / Volume
Molarity = 0.05 / 2
Molarity = 0.025 M
Thus, the molarity of the solution is 0.025 M
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5. Summarize: What do you think would happen to the convection currents in the atmospheres and
along the coastlines if the surface of the Earth warmed up? Do you think this could have any affect
on the convection in the mantle? Why or why not? Your answer should be at least 3 sentences in
length,
Answer:
Explanation:
Image result for Summarize: What do you think would happen to the convection currents in the atmospheres and along the coastlines of the surface of the Earth warmed up? Do you think this could have any affect on the convection in the mantle? Why or why not? Your answer should be at least 3 sentences in length,
As the magma cools and solidifies, the convection currents will stop and the Earth will become geologically dead.
i don’t really know how to do this and need help
Answer:
Explanation:
To round the number to 3 significant figures, look at the first 4 digits: 3545 which will round to 355. The number in 3 significant figures will be 3,550,000.
[tex]\\ \sf\Rrightarrow 3545530[/tex]
[tex]\\ \sf\Rrightarrow 354553[/tex]
[tex]\\ \sf\Rrightarrow 35455[/tex]
[tex]\\ \sf\Rrightarrow 3545[/tex]
[tex]\\ \sf\Rrightarrow 355[/tex]
A solution that has a high amount of hydrogen ions is called.
Answer:
a solution with high amount of hydrogen ions is called an acidic solution
If a reaction is second-order with respect to a particular reactant, when the concentration of that reactant is increased by a factor of 4, the reaction rate will _____
Answer:
A reaction is second order with respect to a reactant.
Rate =k[A]
2
(i) If the concentration of the reactant is doubled, the rate of reaction becomes 4 times .
(ii) If the concentration of the reactant is reduced to half, the rate of reaction becomes one fourth.
Explanation:
If a reaction is second-order with respect to a particular reactant, when the concentration of that reactant is increased by a factor of 4, the reaction rate will increased by factor 16.
How do we calculate the rate of second order reaction?Rate of the second order reaction will depends on the concentrations of one second-order reactant or two first-order reactants as:
Rate(1) = k[A]²
If the concentration of reactant becomes 4 times the initial concentration then rate will be:
Rate = k[4A]²
Rate(2) = 16k[A]²
Rate(2) = 16Rate(1)
Hence rate will increased by 16 times.
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Draw the major organic product of the following friedel–crafts alkylation. (an excess of benzene is present. ) do not draw any aluminum byproducts
The Friedel–crafts alkylation provide a nice way of attaching an alkyl group to an aromatic compound.
What is Friedel–crafts alkylation?The Friedel–crafts alkylation occurs when an alkyl group is added to an aromatic compound.
The reaction mechanism commences with the attack of an alkyl halide on an aromatic substrate using AlCl3 as a catalyst. This question is incomplete henece we can not draw the structure of the product. The alkyl portion of the alkyl halide is now attached to the aromatic compound at te end of the reaction.
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how many liters of water would it require to 36 grams of the substance?
3 liters
________________
How many molecules is equal to 46.92 grams of SrF2
Answer:
125.6168064 is the answer
Assign an oxidation number to each element in the reaction. co(g) 2h2(g) → ch3oh(g) in co, the oxidation number of c is , and that of o is . in h2, the oxidation number of h is . in ch3oh, the oxidation number of c is , that of o is , and that of h is .
The oxidation state is the number of electrons gained and donated. The oxidation state of C is +2, O is -2, H is 0, and in methanol, C is +1, H is +1, and O is -2.
What is the oxidation number?The oxidation number denotes the number of electrons donated and gained after the bond formation. In general, the oxidation state of free elements is zero, and of hydrogen when the bond to non-metal is +1 and with metals is -1.
The chemical reaction is given as,
[tex]\rm CO + 2H_{2} \rightarrow CH_{3}OH[/tex]
Here,
The oxidation number of carbon in carbon monoxide will be +2, and oxygen will be -2.
The oxidation number of hydrogen in dihydrogen will be zero, and in methanol, the oxidation number of carbon will be +1, hydrogen will be +1 and oxygen will be -2.
Therefore, the oxidation number of oxygen is -2 most of the time.
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Green gram defination
For grade 7
a leguminous plant, Phaseolus aureus, whose seeds are used as food in India.
Answer:
Green Gram is a small round edible green bean which is also known as moong ki daal in the subcontinent.
Explanation:
The green gram bean which is also known as the mung, maash or moong, is a plant species in the legume family. The green gram bean is mainly cultivated in East, Southeast and South Asia. It is used as an ingredient in both savoury and sweet dishes.
Please help!!!!!!!!!!!!!!!!!!!!!!!!
Need help ASAP.
Based on the equation of the reaction and the limiting reactant of the reaction, molarities of the ions are determined from the amount in moles of excess reactants and soluble products formed.
What is the limiting reactant in the reaction?The limiting reactant is he reavtant that is used up in the reaction after which the reaction stops.
The limiting reactant is obtained from the mole ratio of the reactants in the equation of the reaction.
Equation of reaction is given as follows:
3 AgNO3 (aq) + Na3P (aq) ----> Ag3P (s) + 3 NaNO3 (aq)Molar mass of AgNO3 = 170 g/mol
Molar mass of Na3P = 100 g/mol
Molar mass of Ag3P = 355 g/mol
Molar mass of NaNO3 = 85 g/mol
Mass of AgNO3 reacting = 83.4 g
Moles of AgNO3 reacting = 83.4/170 = 0.49 moles
Mass of Na3P reacting = 62.9
Moles of Na3P reacting = 62.9/100 = 0.629 moles
Moles ratio of AgNO3 to Na3P = 3 : 1
Mole rational of AgNO3 and NaNO3 1 : 1
Based on the mole ratio;
AgNO3 is the limiting reactant while Na3P is in excessMoles of Na3P left over is 0.629 - (1/3 × 0.49) = 0.465 moles0.49 moles of NaNO3 are formedAt the end of the reaction, molarity of the ions are as follows:
Molarity of Na+ = {0.49 + (3 × 0.46)}/1.71
Molarity of Na+ = 1.094 MMolarity of P^{3+} = 0.465/1.71
Molarity of P^{3+} = 0.272 MMolarity of NO3^{-1} = 0.49/1.71
Molarity of NO3^{-1} = 0.286 MTherefore, molarities of the ions are determined from the amount in moles of excess reactants and soluble products formed.
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An aqueous solution turns litmus red. The ph of this solution could be
If an aqueous solution turns litmus red, the pH of the solution could be the range of 1 - 6.
What is an acid?An acid is a substance that is capable of producing only hydrogen ions (H+) when dissolved in water.
An acid posseses other unique characteristics and are as follows:
Acids are corrosive in their concentrated formAcids turn blue litmus redAcids are sour to tasteThe pH range of an acidic substance is between 1-6.
Therefore, if an aqueous solution turns litmus red, the pH of the solution could be the range of 1 - 6.
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Explain how sulfur forms its ion.
Explanation:
the sulfur ato is in group 6 of the periodic table. In order to become an ion the ato needs to gain 2 electrons so it has a full outer shell of electron and is stable. so the atom S goes to S2+ + 2e
The molar mass of barium nitrate (ba(no3)2) is 261.35 g/mol. what is the mass of 5.30 × 1022 formula units of ba(no3)2? 0.0900 g 12.0 g 23.0 g 3,130 g
Molar mass is the ratio of the mass to that amount of the substance. The mass of the barium nitrate in the formula unit is 23.0 grams.
What is mass?The mass of a substance is the product of the molar mass of the compound and the number of moles of the compound.
Given,
Molar mass of barium nitrate = 261.35 g/mol
If, [tex]6.022 \times 10^{23}[/tex] have a mass of 261.35 g/mol then, [tex]5.30 \times 10^{22}[/tex] formula units will have a mass of,
[tex]\begin{aligned}& = \dfrac{261.35 \times 5.30 \times 10^{22}}{6.022\times 10^{23}}\\\\&= 23.0\;\rm gm\end{aligned}[/tex]
Therefore, option C. 23.0 gm is the mass of barium nitrate.
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Answer:
CExplanation:
23.0g
What is qualitative and quantitative?
Answer:
Quantitative data refers to any information that can be quantified, counted or measured, and given a numerical value. Qualitative data is descriptive in nature, expressed in terms of language rather than numerical values
Explanation:
:)
What portion of your salt solution in ice water system is: a. A mixture? b. A solution?
The salt and water are a homogeneous mixture but when salt dissolves in the water system is called a solution of salt and water.
What is a mixture?A mixture is defined as the combination of two or more substances that are not chemically bonded together.
There are two types of mixture which include:
Homogeneous (uniform composition) andHeterogeneous mixturesWhen salt is added to the ice water system, it lowers the freezing point of the ice water thereby forming a homogenous mixture of water and salt.
The dissolution of salt in ice water leads to the formation of salt and water solution.
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Find δg o for the following reaction, using δh o f and s o values. H2(g) i2(s) → 2 hi(g)
The standard change in free energy is -35.76 kJ/mol. Values of standard free energy are obtained from thermodynamic tables.
What is the standard change in free energy?The standard change in free energy can be obtained using the relation;
ΔG°= ΔH° - TΔS
When;
ΔH°f(HI) = 26.466 kJ/mol
ΔH°f(H2) = 0 kJ/mol
ΔH°f(I2) = 0 kJ/mol
ΔS°f(HI) = 221.63 J/K/mol
ΔS°f(H2) = 145.64 J/K/mol
ΔS°f(I2) = 0 J/K/mol
Hence;
ΔH°freaction = [ 2(26.466)] - 0
= 52.932 kJ/mol
ΔS°freaction = [2(221.63 ) ] - [145.64 + 0]
= 443.26 - 145.64 = 297.62 J/K/mol
ΔG°= 52.932 * 10^3 - [298 * 297.62 ]
ΔG°= -35.76 kJ/mol
The standard change in free energy is -35.76 kJ/mol.
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The change in free energy for the given chemical reaction between hydrogen and iodine gas is -31.068 kJ/mol.
How do we calculate the free energy change?Free energy change of any reaction will be calculated by using the below equation:
ΔG° = ΔH° - TΔS, where
ΔH° = change in enthalpy
T = absolute temperature = 298K
ΔS = change in entropy
Change in any quantity during the reaction will be find out by substracting the reactant values from product values.
Given chemical reaction is:
H₂(g) + I₂(g) → 2HI(g)
ΔH° = 2(26.466)] - 0 = 52.932 kJ/mol
ΔS = [2(206.6) ] - [131 + 0] = 413.2 - 131 = 282.2 J/K.mol = 0.282 kJ/K.mol
On putting values on above equation, we get
ΔG° = 52.932 - (298)(0.282) = -31.068 kJ/mol
Hence required free enrgy is -31.068 kJ/mol.
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Determine the empirical formula of a compound containing 48. 38 grams of carbon, 6. 74 grams of hydrogen, and 53. 5 grams of oxygen.
In an experiment, the molar mass of the compound was determined to be 180. 15 g/mol. What is the molecular formula of the compound?
For both questions, show your work or explain how you determined the formulas by giving specific values used in calculations
Answer:
I recently answered this question. The response I submitted is included below. I beleive my answer should be correct.
Explanation:
Question 1:
C: 48.38g(1mol/12g) = 4.0317
H: 8.12g(1mol/1.01g) = 8.12
O: 53.5g(1mol/16g) = 3.34375
Divide by the smallest amount (3.34375)
C = 4.0317/3.34375 = 1.206 = 1
H = 8.12/3.34375 = 2.42 = 2
O = 3.34375/3.34375 = 1
Empirical formula = CH2O
Question 2:
Molecular formula = n(empirical formula)
n = molar mass (compound)/molar mass (empirical)
Empirical formula: CH2O
Molar mass of CH2O = 12 + 2x1 + 16 = 30 g/mol
Molar mass of compound: 180.15 g/mol
[tex]n=\frac{180.15g/mol}{30g/mol}= 6[/tex]
Molecular formula = C6H12O6
4. How many atom are in
C3H5(NO3)3
Answer:
carbon = 3
hydrogen=5
nitrogen=3
Oxygen=9
1. How many moles are in 15.5 g of SO2
2. Find the mass of 1.50 mol C3H8?
3. How many moles is 1.50 x 1023 molecules of NH3 ?
4. Convert 2.50 x 1025 formula units of NaCl into grams.
5. Convert 3.60 mol CO2 into molecules
1. The number of mole in 15.5 g of SO₂ is 0.242 mole
2. The mass of 1.50 mole of C₃H₈ is 66 g
3. The number of mole of NH₃ that contains 1.5×10²³ molecules is 0.249 moles
4. The mass of NaCl that contains 2.5×10²⁵ formula units is 2429.4 g
5. The number of molecules present in 3.6 moles of CO₂ is 2.167×10²⁴ molecules
1. How to determine the mole of SO₂Mass of SO₂ = 15.5 gMolar mass of SO₂ = 32 + (2×16) = 64 g/mol Mole of SO₂ =?Mole = mass / molar mass
Mole of SO₂ = 15.5 / 64
Mole of SO₂ = 0.242 mole
2. How to determine the mass of C₃H₈Mole of C₃H₈ = 1.5 moleMolar mass of C₃H₈ = 44 g/mol Mass of C₃H₈ =?Mass = mole × molar mass
Mass of C₃H₈ = 1.5 × 44
Mass of C₃H₈ = 66 g
3. How to determine the mole of NH₃From Avogadro's hypothesis,
6.02×10²³ molecules = 1 mole of NH₃
Therefore,
1.5×10²³ molecules = 1.5×10²³ / 6.02×10²³
1.5×10²³ molecules = 0.249 mole of NH₃
4. How to determine the mass of NaCl6.02×10²³ units = 58.5 g of NaCl
Therefore,
2.5×10²⁵ units = (2.5×10²⁵ × 58.5) / 6.02×10²³
2.5×10²⁵ units = 2429.4 g of NaCl
5. How to determine the number of molecules1 mole of CO₂ = 6.02×10²³ molecules
Therefore,
3.6 moles of CO₂ = 3.6 × 6.02×10²³
3.6 moles of CO₂ = 2.167×10²⁴ molecules
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chinua reacts 37g of magnesium with 150g of sulfuric acid. what will be the total mass of the products of this reaction
the total mass is 187g. The total mass of the reactant is always equal to total mass of the products.
explanation:
as per the given details, the reactant involved in the reaction are 37g of magnesium and 150g of sulfuric acid . the total of the reactant is 187g.
Why might a company decide against using hydroelectric energy as an alternative energy resource?
Because gathering it leaves a negative impact on natural habitats.
What determines whether atoms will form chemical bonds.
Answer:
The electron arrangement of the outer energy level of an atom determines whether or not it will form chemical bonds.
Explanation:
Draw n‑ethyl‑3‑methylpentanamide. Include all hydrogen atoms
The structure of the compound n‑ethyl‑3‑methylpentanamide is attached to this answer.
What is IUPAC nomenclature?The IUPAC nomenclature was given in order for us to be able to draw the structure of a compound from its name. This is the generally accepted means of naming compounds globally.
The structure of the compound n‑ethyl‑3‑methylpentanamide in which all the hydrogen attched are shown attached to this answer.
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The structure of n‑ethyl‑3‑methylpentanamide. Include all hydrogen atoms are attached. Its chemical formula is C₈H₁₇NO.
What is n‑ethyl‑3‑methylpentanamide?N-ethyl-3-methylpentanamide has a five-carbon parent chain attached to an amide functional group in its structural formula.
An amide's N-atom also has an ethyl substituent. At the C-3 position of the parent chain, a methyl group is substituted.
Thus, the of n‑ethyl‑3‑methylpentanamide. Include all hydrogen atoms are attached. Its chemical formula is C₈H₁₇NO.
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What mass of glucose can be produced from photosynthesis reaction using 10.0 mols co2
Answer:
300.06 grams of glucose can be produced from a photosynthesis reaction that occurs using 10 moles of carbon dioxide.
Explanation:
In the kinetic molecular theory of gas behavior, the assumption is made that gas molecules:.
Answer:
In the kinetic molecular theory of gas behavior; the assumption is made that gas molecules move with a kinetic energy equal to their centigrade temperature_ move rapidly in random directions: are close together in their container which exerts pressure_ are attracted to each other by strong forces.
Explanation:
What are the solutions to problems caused by nitrogen gas in solution at certain depths?
Please Help!!!! 50 points
The solutions to problems caused by nitrogen gas in solution at certain depths is by discouraging deep diving.
What is Diving?
This involves moving around under water with the aid of special breathing equipment.
Limiting the depth of a dive should he encouraged as the maximum depth limit for a diver to use compressed air is 30 to 50 meters.
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When two heterozygous parents are crossed (Aa X Aa), what percent of the offspring will have a dominant phenotype?
75% dominant and 25% resistive
Which correctly describes the which correctly describes the relationship between a hydrate, water, and an anhydrous compound?
Heating an anhydrous compound forms water and a hydrate.
O Adding water to an anhydrous compound forms a hydrate.
O Combining an anhydrous compound and a hydrate produces water.
O Removing a hydrate from an anhydrous compound produces water.
Answer:
adding water to an anhydrous compound forms a hydrate.
Explanation:
The statement which correctly describes the relationship between a hydrate, water, and an anhydrous compound is adding water to an anhydrous compound forms a hydrate. The correct option is A.
What are anhydrous compounds?Anhydrous means without water, so the compounds that do not contain water are anhydrous compounds. Some examples are sodium sulfate, hydrogen fluoride, etc.
Hydrates are the compounds that contain water as the H2O molecules. These compounds lose their structure if water molecules are removed from the compound.
So, when water is added to the anhydrous molecules, it converts into hydrates. An example is sodium sulfate decahydrate.
Thus, the correct option is A. Adding water to an anhydrous compound forms a hydrate.
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