Chemistry » Page 54

Chemistry

Keon Pennington

How many milliliters of hydrogen gas are produced by the reaction 0.020 mol of magnesium with excess of hydrochloric acid at STP?

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Chemistry

Aaliyah Rogers

Why is water considered a pure substance and not a mixture?

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Chemistry

Dalia

Explain the term "parallax effect"

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Chemistry

Nora Haas

Convergent boundaries are zones on what plates

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Chemistry

Logan Pham

What are the 3 things substances are classified as?

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Chemistry

Mateo Mays

A mass of 78.9 grams of alimnium will react with how many grams of zinc chloride

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Chemistry

Wade Johnston

what is the limiting reactant when 1.50g of lithium and 1.50 g of nitrogen combine to form lithium nitride, a component of advanced batteries, according to the following unbalanced equation?

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Chemistry

Darion Norris

To test the purity of sodium bicarbonate, you dissolve a 3.50g sample in water and add sulfuric acid. if 1.04g of carbon dioxide forms, what is the percent purity of the sodium bicarbonate?

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Chemistry

Jefferson Cantrell

a ballon is filled with 35.0 f of helum in the moring when the twmoerature is 68 f. by noon the temperature has risen to 13 f. what is the new volume of the baloon

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Chemistry

Jaeden Waters

What happens to the mass if the volume is tripled?

A: it is also tripled

B: it doesnt change

C: it is reduced to 1/3

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Chemistry

Parker Fuller

1. A student calculated the theoretical yield of BaSO4 (s) in a precipitation experiment to be 1.352 grams. When she filtered, dried, and weighed her precipitate, however, her actual yield was only 1.279 grams. Calculate the student's percent yield.

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Chemistry

Damari Hill

What is a fan-shaped feature at the mouth of a river

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Chemistry

Athena Compton

How many moles of mgbr2 are there in 118.0 g of that compound?

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Chemistry

Olive Barry

What is 99 times 100

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Chemistry

Alexis Sloan

Using complete sentences, explain how large-scale agriculture leads to increased atmospheric CO2?

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