Chemistry » Page 55

Chemistry

Mariyah Boyle

What happens to the carbon atoms lost during respiration?

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Chemistry

Marisol Vazquez

Uses of iron oxide in nanotechnology (biomedicine)

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Chemistry

Spicy

Organic chemistry is the study of compounds containing

A. carbon.

B. nitrogen.

C. hydrogen.

D. oxygen.

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Chemistry

Aidyn Zuniga

Explain why fermentation would occur in your muscle cells as opposed to cellular respiration.

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Chemistry

Malaki

How do intra-specific and inter-specific relationships within a community maintain biodiversity by preventing competitive exclusion?

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Chemistry

Cristian Neal

Which of the following processes is endothermic? A. a hot cup of soup (system) cools on a countertop B. the combustion of butaneC. the chemical reaction in a "hot pack" often used to treat sore musclesD. the vaporization of rubbing alcohol E. the freezing of water

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Chemistry

Bryan Evans

Every water molecule has two hydrogen atoms bonded at one oxygen atom. This fact supports the concept that elements in a compound are

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Chemistry

Derrick Reeves

What is the mass of 9 atom (s) of copper in grams?

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Chemistry

Rags

Andy has two samples of liquids. Sample A has pH of 4, and sample B has a pH of 6. what can Andy conclude about these two samples?

Sample A is

a neutral

b alkali

c acidic

Sample B is

a neutral

b alkali

c acidic

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Chemistry

Danica

How does a lone pair contribute to molecular shape?

A. It is too small to affect the molecule's shape.

B. It takes up space like an "invisible" atom.

C. It forces the molecule into a tetrahedral shape.

D. It lets the bonding pairs spread out more.

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Chemistry

Fabian Ramirez

The are of a rectangle is 12 in^2. what is the area in cm^2. there are 2.54cm in an inch.

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Chemistry

Pranav Conway

Which statements describe advantages of models? Check all that apply.

Models make it possible to easily notice patterns.

Models can be used to communicate and test design ideas.

Models allow scientists to predict relationships.

Models have the ability to develop into complex systems.

Models are useful for developing scientific methods.

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Chemistry

Justus Hawkins

Are energy levels and orbitals the same thing?

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Chemistry

Snowy

Heating devices can be made by passing an electric current through a conductor of:

high resistance

low resistance

high conductivity

low conductivity

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Chemistry

Carleigh Kirk

What is the element 3O2 name

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