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Chemistry

Why does beryllium lose electrons when forming ionic bonds, while sulfur gains electrons?

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Chemistry

Which of the following statements regarding enzymes is FALSE? a. Enzymes alter the free energy change (ΔG) of the reactions which they catalyze. b. Enzyme function is dependent on the pH and temperature of the reaction environment. c. Enzyme function is dependent on the three-dimensional structure or conformation of the enzyme. d. Enzyme activity can be inhibited if the enzyme is bound by a noncompetitive inhibitor.

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Josiah Mcintyre

Chemistry

5. How many moles of gas are in a 7.5 L container, at 1 atm of pressure, at 100 degrees

celcius? (R = 8.31)

a. 15 moles

b. 0.0024 moles

c. 9135 moles

d ...109

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Chemistry

Can you have a perfect mom

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Chemistry

What happens to water molecules during the boiling process?

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Chemistry

What is the apparent motion of the sun in the sky

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Chemistry

Which type of fuel is difficult to extinguish using water as the only extinguishing agent?

Select one:

a. Liquids that are less dense (lighter) than water

b. Liquids that are more dense (heavier) than water

c. Miscible liquids

d. Polar solvents

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Chemistry

Is cereal soup ... i gotta know

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Chemistry

How do people who supply their own water generally obtain it? (Site 1)

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Chemistry

Select the word (s) to complete the word equation that matches the description of the reaction.

Electrolysis breaks down water to form hydrogen and oxygen gas.

A. The word equation that represents this reaction is: water A bright light is produced when magnesium reacts with the oxygen in air to form magnesium oxide.

B. The word equation that represents this reaction is: magnesium oxygen When methane burns, it reacts with oxygen to produce water and carbon dioxide.

C. The word equation that represents this reaction is: methane oxygen

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Chemistry

Many tall buildings have a

framework made of steel

girders on which walls of brick

and glass are built. If the steel

was unprotected what would

you expect to happen in time?

Explain your answer.

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Chemistry

For elements to maintain a neutral charge, which two particles must have equal numbers?

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Maurice Benitez

Chemistry

The molar mass of carbon is 12.01 g/mol. what is the mass of a 1.0 ' 109 carbon atoms?

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Chemistry

The atomic mass oftitanium is 47.88 atomic mass units This atomic mass represents the

1) total mass of all the protons and neutrons in an atom of Ti

2) total mass of all the protons, neutrons, and electrons in an atom of Ti

3) weighted average mass of the most abundant isotope of Ti

4) weighted average mass of all the naturally occurring isotopes of Ti

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Chemistry

What does polar and nonpolar mean in science

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