Chemistry » Page 153

Chemistry

Gloria Lara

9.00 g/h to kilograms per minute

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Chemistry

Callum Clayton

Determine an empirical formula from each set of

percent composition data.

1. 18.27% K, 59.30% I, 22.43% 0

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Chemistry

Daniella Riddle

What are the controlled, independent, and dependent variables of this experiment?

The experiment is to drop 2 drops of food coloring in one glass of hot water, and one of cold water to see which has the faster rate of diffusion.

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Chemistry

Nadeen

Aluminum foil used for storing food weighs about 0.3 g per square inch. How many atoms of aluminum are contained in one square inch of the foil?

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Chemistry

Plato

Sulfur reacts with oxygen to form sulfur dioxide (SO2 (g), Hf = - 296.8 kJ/mol) according to the equation below.

What is the enthalpy change for the reaction?

Use

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Chemistry

Lindsey Farley

Comparing the mass of the nucleus with the mass of the protons and the mass of the neutrons refers to what?

Einstein's theory of relativity

nuclear binding energy

the weak force

the strong force

mass defect

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Chemistry

Adrien Pruitt

What temperature does ice cream freeze at?

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Chemistry

Slade Golden

Which polygon is a base of the triangular prism?

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Chemistry

Allyson Mejia

Solid aluminum metal reacts with aqueous zinc chloride to produce solid zinc metal and aqueous aluminum chloride

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Chemistry

Sylvia Carlson

How many molecules are in 1.25 mil of oxygen dichlorvos, OCL2?

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Chemistry

Maia Forbes

What is Charles's law?

State the definition of the law in words.

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Chemistry

Shadow

The branch of chemistry that is the study of the composition, properties, and reactions of matter is called

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Chemistry

Zara Singh

How many moles does the mass quantity 130g of H2O have?

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Chemistry

Leonidas Tucker

It requires 0.0780L of a 0.12 M HCl solution to completely neutralize 0.0280L of an unknown LiOH solution. What is the concentration of the unknown LiOH solution?

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Chemistry

Jovani

Which best describes the two ways that energy is measured

A. In convection and in temperature

B. In temperature and in radiation

C. In radiation and in convection

D. In wavelength and in temperature

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