CAN SOMEONE PLEASE CHECK MY ANSWER FOR QUESTION 2
If it’s wrong please correct me
Thank you!!!
Answers
Answer:
It looks right to me make sure you have sig figs if the question asked for it though so you smalles figure would be 3 so with sig figs your answer would be 1190cm3
Related Questions
What information is needed to determine a molecular formula
Answers
Answer:
Empirical formulas can be determined from the percent composition of a compound. In order to determine its molecular formula, it is necessary to know the molar mass of the compound. Chemists use an instrument called a mass spectrometer to determine the molar mass of compounds.
Answer:
The empirical formula and the molar mass.
Explanation:
AP3X
48g of methane was burned in an excess of air. What mass of carbon dioxide would be produced in the reaction assuming complete combustion? Use the information below to answer the question.
Answers
Answer:
132g
Explanation:
CH4= 12+4=16
moles= m/Mr moles=48/16=3 mol
CO2= Mr=44
there are the same number of moles as methane:
Mass= Mrxmoles
44x3=132g
The mass of the carbon dioxide produced by the combustion of the 48 g of methane is equal to 132 g.
What is the combustion reaction?Combustion reaction involves the complete oxidation of the hydrocarbon such reactions generally release only carbon dioxide and water as products.
A hydrocarbon undergoes combustion to produce carbon dioxide and water as the product. No other side products are formed in the combustion reaction.
The given combustion reaction of the methane can be written as follows:
CH₄ + 2 O₂ → CO₂ + 2H₂O
Given the amount of methane for combustion = 48 g
The molar mass of methane = 16g/mol
The molar mass of the carbon dioxide, CO₂ = 44g/mol
16 grams of methane produce carbon dioxide = 44g
The 48 grams of methane will produce CO₂ = (44/16) ×48 = 132 g
Therefore, the mass of 132 g of carbon dioxide is produced by the combustion of 48g of methane.
Learn more about combustion reactions, here:
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Chemistry Cookie project
Answers
Answer:
What's the question?
Explanation:
Answer:
I dont understand, is there supposed to be a picture or question?
Explanation:
If 9.87g of As2O3 reacts with carbon, then 7.71g of As should be produced. If only 6.33g of As is actually produced, what is the percent yield of As?
a 82.1%
b 0.821%
c 64.1%
d 0.641 %
Answers
Answer:
A
Explanation:
Percent yield= Actual yield/Theoretical yield x 100
The problem tells you that 6.33g of As is produced (actual yield), but 7.71g should be produced (theoretical yield). So 6.33/7.71= 0.821 x 100= 82.1%
Answer:
82.1%
Explanation:
A. I got it right on my test
Which is needed to determine the amount of gravitational force between two objects?
A. weight and time
B. distance and mass
C. volume and mass
D. area and weight
Answers
Answer: B
Explanation:
B. Distance and Mass
Newton's Law of gravitation states [tex]F=\frac{GMm}{r^2}[/tex]
G being a constant
M being mass 1
m being mass 2
r being the distance between them from their center of mass
A student built a simple fan using an electromagnet, a permanent magnet, and a fan blade. When she connects the electromagnet to one battery, the fan blade turns. What would most likely happen if she connected it to two batteries?
The fan blade would turn faster.
The fan blade would turn slower.
The fan blade would not turn at all.
The fan blade would turn in opposite direction.
Answers
Answer:
The fan blade would turn faster
Explanation:
what sre the group 17 elements are known as
Answers
Answer:
Halogen
Explanation:
Given the rate law R = k[X][Y]2 and the data in the chart, what is the value of the rate constant for the reaction?
A. 0.029
B. 0.52
C. 35
D. 52
Answers
Answer:
C.) 35
Explanation:
Answer:
35 is the correct answer (c)
Explain the function of the nucleus, nucleolus, nuclear membrane, chromosomes, ribosomes, cytoplasm, cell membrane, mitochondria, Golgi complex, vacuole, endoplasmic reticulum, cell wall, chloroplast
Answers
nucleolus - producing and assembling the cells ribosome
nuclear membrane - separate the chromosomes from the rest of the cell
chromosomes - carries genetic information from one generation to another
ribosome - making proteins
cytoplasm - responsible for holding the components of the cell and protects them from damage, stores the molecules required for cellular processes and is also responsible for giving the cell its shape
cell membrane - provides protection for a cell, transport nutrients into the cell and also to transport toxic substances out of the cell
mitochondria - membrane-bound cell organelles that generate most of the chemical energy needed to power the cells biochemical reactions
Golgi complex - responsible for transporting, modifying, and packaging proteins and lipids into vesicles for delivery to targeted destinations
vacuole - (animal cells - help sequester waste products ) ( plant cells - help maintain water balance)
endoplasmic reticulum- produce proteins for the rest of the cell to function
cell wall - surrounds the plasma membrane of the plant cells and provides tensile strength and protection against mechanical and osmotic stress
chloroplast - allow plants to capture the energy of the sun in energy-rich molecules
why do the properties of a material determine the use of the material?
Answers
Answer:
Matter is made up of particles whose properties determine the observable characteristics of matter and its reactivity.
Explanation:
1 point
If the element Lithium (Li) were to bond with the element Sulfur (s), what
type of bond can you predict will be formed and why?*
A. Covalent-Li and S are two nonmetals
B. Covalent-Li is a metal and S is a nonmetal
C. Ionic-Li and S are two nonmetals
D. Ionic-Li is a metal and S is a nonmetal
Answers
Answer:
C. Ionic-Li and S are two nonmetals
Ca+Cl2-->CaCl2 Then, write balanced half-reactions describing the oxidation and reduction that happen in this reaction.
Answers
Answer:
Oxidation half
Ca -----> Ca2+ +2elecyrons
Reduction half
Cl2 + 2electrons ------> 2Cl-
Explanation:
What is the relationship of rocks to minerals.
Rocks are minerals.
Minerals are rocks
Minerals are in rocks.
Rocks are in minerals.
Answers
Minerals are in rocks.
37 grams of H3PO4 ????
Answers
Answer:
76 grams is the correct answer to this question
CHAPTER
CHAPTER ASSESSMENT
Understanding Main Ideas (Part A)
In the space at the left, write true if the statement is true; if the statement is false,
change the italicized term to make it true.
1. The overall charge of a formula unit for a compound is never zero.
2. In a crystal lattice, each positive ion is surrounded by negative ions.
3. Delocalized valence electrons are typical of ionic compounds.
4. A sulfate ion contains fewer oxygen atoms than a sulfite ion does.
true
5. Metals tend to be malleable and ductile and to have relatively high
melting points.
6. The more negative the lattice energy is, the stronger is the force of
attraction between the ions of an ionic compound.
7. In naming ionic compounds, the cation is named first.
8. When a metal reacts with a nonmetal, the metal tends to gain electrons.
9. In naming a monatomic anion, the suffix -ide is used.
10. The prefix per- is used in naming the anion with the most oxygen atoms.
Answers
Answer:
The answer is in correct
The shade or pigment of a mineral is known as
Luster
Hardness
Density
Streak
O Color
Answers
Answer:
Streak
Explanation:
The streak of a mineral is the color of the powder produced when it is dragged across an un-weathered surface.
What is the electron configuration for an Atom that has 13 electrons
Answers
PLEASE HELP WILL MARK BRAINLY
1. If a cube has 2cm sides and a mass of 10 g, what would it's density be?
A. 0.8 g/cm3
B. 1.25 kg
C. 1.25g/cm3
D. None of the above
2.If a cube has sides of 1.5 cm, and a mass of 15 g, would it float or sink in water?
A. float
B. Sink
3. A material with a melting point of 25C would be a solid at 15C?
A. True
B. False
4. A material with a Chemical Symbol of CO is an element.
A. True
B. False
Answers
Answer:magine 2 cubes. ... One cube is made out of gold and has a mass of 19.3 grams. ... Gold has a density of 19.3 grams per cubic centimeter, that is, 19.3 g/cm3 or 19.3 g cm-3 ... If you weigh 1.00 mL of liquid water it will have a mass of about 1 g so its ... They are both less dense than water so they will also float on top of water .
Explanation:
What is white light made up of?
A. infrared light
B. ultraviolet light
C. seven colors of the rainbow
Answers
Answer:
The answer is C
Explanation:
hope this helps
:)
Answer:
C. Seven colors of the rainbow
Explanation:
when light enters a water droplet and then leaves it again, each different wavelength of light refracts at a slightly different angle. then, when the light is broken up, you can see all of the colors of the rainbow.
For Example, A Dark Tinted Window.
Convert 4, 294 grams to pounds. Use the conversion factor 1 pound = 453.59 grams.
Answers
Can someone help with #6
Will mark brainliest too!
Answers
Answer:
okey brooooooooooooooo
no se ingles solo spanish
Explanation:
todoooooooooooooooooooooo bien bro
Fe(OH)2+HCI--> FeCl2+H2O balanced
Answers
Answer:
Fe(OH)2 + 2HCl ---> FeCl2 + 2H2O
I think
the first element was full brittle and did not conduct heat
Answers
Answer:
non-Metals
Explanation:
plzzzzzzzzzzzzz help me
Answers
Answer: omnivores
Explanation:
I just know
What is the molality of a solution that contains 5.10 mol KNO3 in 4.47 kg water?
Answers
m = 5.10 / 4.47
m = 1.14 molal
responsible for bring messages from the sensory
organs to the brain. ?
A: Skeletal
B: Sensory
C: Motor
D: Axial
Answers
Answer:
motor nerves
Explanation:
sensory produces while motor transports
Elements that have some properties of metals and some properties of nonmetals
Answers
Answer:
metalloids aka semimetals
Explanation:
Select the correct answer.
What is the chemical name of the compound Ti2O3? Use the list of polyatomic ions and the periodic table to help you answer.
A.
titanium oxide
B.
titanium(II) oxide
C.
titanium(III) oxide
D.
titanium trioxide
Answers
Answer:
titanium(III) oxide is the name of Ti2O3
The atoms in a sample are close together but can side past one another. As the atoms lose energy, they move slower. The atoms become locked in place because of attractive forces between them.
Which change of state is taking place
Gas to solid
Gas to liquid
Liquid to solid
Solid to liquid
Answers
Which of the following is an example of a chemical element a. Salt B.water c.sugar d.sodium
Answers
Answer:
the answer is sodium
Explanation:
hope this helps