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Geovanni Morse
ChemistryChemistry
A element which is not a monatomic

A. Helium

B. Argon

C. Iron

D. Oxygen
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Darwin Garrett
ChemistryChemistry
How can you use the Periodic Table to determine whether an element is a metal, nonmetal, or metalloid?
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Jasiah Yu
ChemistryChemistry
A block of metal has a width of 3.2 cm, a length of 17.1 cm, and height of 4.2 cm. Its mass is 1.1 kg. Calculate the density of the metal.
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Isaiah Haas
ChemistryChemistry
Why is the formula CCL4 a nonvolatile molecule with polar covalent bonds?
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Tamara
ChemistryChemistry
Why does beryllium lose electrons when forming ionic bonds, while sulfur gains electrons?
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Jack Serrano
ChemistryChemistry
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
ChemistryChemistry
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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Mauricio Reid
ChemistryChemistry
Can you have a perfect mom
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Makaila Villa
ChemistryChemistry
What happens to water molecules during the boiling process?
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Ramiro Johns
ChemistryChemistry
What is the apparent motion of the sun in the sky
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Hanna Howell
ChemistryChemistry
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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Laura Carson
ChemistryChemistry
Is cereal soup ... i gotta know
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Jairo Mcdonald
ChemistryChemistry
How do people who supply their own water generally obtain it? (Site 1)
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Ruby Roberson
ChemistryChemistry
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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Israel Cochran
ChemistryChemistry
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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