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Chemistry

Libby Avila

What is kinetic energy?

a. The energy of change

b. The energy of distance or volume

c. The energy of motion

d. The energy of position or composition

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Chemistry

Valentino

Nitrogen gas is transformed into ammonia C. Ammonification Release of ammonia during decomposition A. Denitrification The conversion of ammonia to nitrate and nitrite B. Nitrificaiton The reduction of nitrate into N2O, NO, and N2 D. Nitrogen fixation

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Chemistry

Grace Cannon

If the pressure of the gas is doubled while the volume is held constant, what happens to its temperature? [Section 10.4]

-That is, if P is doubled, T increases by a factor of three.

-That is, if P is doubled, T increases by a factor of four.

-That is, if P is doubled, T decreases by a factor of three.

-That is, if P is doubled, T decreases by a factor of two.

-That is, if P is doubled, T increases by a factor of two.

-That is, if P is doubled, T increases by a factor of four

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Chemistry

Morgan Valenzuela

How many moles of each element are in one mole of (NH4) 2S?

1 mole of nitrogen, 8 moles of hydrogen, 1 mole of sulfur

1 mole of nitrogen, 6 moles of hydrogen, 1 mole of sulfur

2 moles of nitrogen, 6 moles of hydrogen, 1 mole of sulfur

2 moles of nitrogen, 8 moles of hydrogen, 1 mole of sulfur

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Chemistry

Delaney Gilmore

The atmospheres of the jovian planets are made of primarily: a. liquid metallic hydrogen b. methane and ammonia c. oxygen and nitrogen d. hydrogen and helium

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Chemistry

Jordin Horton

Which volcanoes are located along divergent plate boundary's

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Chemistry

Robertson

Why does the prescence of ione pairs contribute to the polarity of a water molecule

a. they allow the bonds between oxygen and hydrogen to be single

b. they increase the partial positive charge on the oxygen atom

c. they prevent the atoms from forming a linear molecule

d. they counter the uneven pull on electrons between the atoms

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Chemistry

Lutz

Aces true or false, negatively charged particles in an atom are called electrons?

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Chemistry

Noodle

Molar mass of C3H5 (C18H30O2) 3

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Chemistry

Erik Stanton

How many neutrons are in an atom of mg-25

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Chemistry

Ezequiel Hendrix

How many atoms are in 0.075 mol of titanium?

Proper keying of scientific notation:

N x 10^exp or N x 10e (exp)

examples: 5.6 x 10^-3 or 5.6 x 10e-3

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Chemistry

Alannah Hebert

What holds a proton together?

A) neutron

B) residual strong force

C) strong nuclear force

D) weak nuclear force

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Chemistry

Alayna Roman

Briefly describe what Planck and Einstein contributed to the concept of Quantum Theory

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Chemistry

Aidyn Medina

All of the following are examples of chemical properties except All of the following are examples of chemical properties except the rusting of an iron nail left out in the rain. the ability of a drain opener to unclog a drain using sodium hydroxide. the low pH of stomach acid. heat being given off by the burning of natural gas in a kitchen stove. chlorophyll being responsible for the green color of leaves.

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Chemistry

Guest

7.456 g sample of UF6 is added to water. 6.53 g of a solid containing U, F and O and 1.69 g of a gas are formed. The gas is 5% H and 95% F by mass. a. What is the empirical formula of the gas? In this case, the empirical formula is the same as the molecular formula (I got HF4) b. What is the molecular formula of the solid? c. Write a balanced equation for the reaction between UF6 and H2O.

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