Chemistry » Page 141

Chemistry

Carmen Chan

Reactants → products

Based on the Law of Conservation of Matter, describe the relationship between the mass of the reactants and the mass of the products.

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Chemistry

Jayvon Werner

What is the first step in the scientific method? A. form a hypothesis B. illustrate the process C. observe and ask questions D. draw conclusions

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Chemistry

Iliana Zuniga

Nitrogen oxide racts with bromine to form nitrosyl bromide. A sample of 0.0655 mol NO with 0.0328 mol Br2 gives an equilibrium mixture containing 0.0389 mol NOBr. What is the composition of the equilibrum mixture?

2NO (g) + Br2 (g) / leftrightarrow 2NOBr (g)

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Chemistry

Benji

Determine the elements present in sodium hydrogen carbonate

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Chemistry

Jaden

If the hydrogen ion concentration of a solution is 10-10m the solution is

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Chemistry

Joseph Ramos

I need the equation C14H3O+o2 balanced

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Chemistry

Reynaldo Schneider

What coefficient is assumed if no coefficient

written before a formula in a chemical equation

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Chemistry

Carlie

Which state of matter would be described as having highly energized, charged particles that move extremely fast

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Chemistry

Vaughn

What 3 factors affect precipitation of a region

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Chemistry

Cora

49. (3pts) A student calculated the volume of a 2.71

mol sample of helium at 450 torr and 35 °C.

The student solved the problem using the ideal

gas law as shown below:

(450 torr) (V) = (2.71mol) (0.08206 Latm/mol) (35 °C)

What mistakes did he make in his set up?

Clearly list as many as you can identify.

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Chemistry

Micah Meyers

The kilogram is the standard unit of

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Chemistry

Brooklynn Patton

Why is useful to use moles to measure chemical quantities

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Chemistry

Christine Page

In photosynthesis what form of energy is sunlight converted to

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Chemistry

Laura Murillo

Why is it important to know if a covalent bond is polar or nonpolar?

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Chemistry

Gretchen Beasley

Oxidation for Na+Cl2>NaCl

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