Chemistry » Page 56

Chemistry

Ismael Dudley

Why sulphur used for food preservation?

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Chemistry

Kidd

How would a solution that is labeled 5.0 molar be similar to one labeled 5.0 molal?

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Chemistry

Dallas Johns

Calculate the percentage by mass of nitrogen in ptcl2 (nh3) 2.

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Chemistry

Yadiel Spencer

Below are the structures of three fatty acids, palmitic acid, stearic acid, and oleic acid. what combination of these fatty acids could you use to make a fat that is liquid at room temperature?

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Chemistry

Katrina Hogan

According to the quantum-mechanical model of the atom established by shrödinger, where may the electrons of an atom be found?

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Chemistry

Tucker Bullock

Renewable resources cannot be replaced in our

lifetime

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Chemistry

Alisa

How do you make a guy who is extremely into you, even though he knows you aren't single, to bug off?

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Chemistry

Elisa Stafford

A chemist has dissolved a certain substance in water. The chemist knows that more of the substance could be dissolved into the water before it stops dissolving. Therefore, the current solution is

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Chemistry

Gary Davila

Which of these particles is the smallest?

A. an atom

B. a nucleus

C. a proton

D. an electron

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Chemistry

Madden Hammond

In a five-fold serial dilution of a 20 pg/ml solution, all tube dilutions are 1/5. What is the substance concentration in the third tube of this series?

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Chemistry

Jaylene Fox

Which of the following substances is never a Brønsted-Lowry base in an aqueous solution? Group of answer choicespotassium hydroxide, KOHsodium hydrogen phosphate, Na2HPO4sodium phosphate, Na3PO4ammonium chloride, NH4Clsodium bicarbonate, NaHCO3

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Chemistry

Demetrius Taylor

Why is gold less reactive than iron?

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Chemistry

Adrianna Hammond

Which statements about isozymes are true? Isozymes catalyze different reactions. Isozymes have identical kinetic properties. Isozymes are present in various developmental stages. Isozymes are encoded by the same gene. Lactate dehydrogenase is an example. Isozymes have different amino acid sequences.

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Chemistry

Archie

A fog over a lake. what two changes of state must occur to produce the fog? do the water molecules absorb or release energy during these changes of state? what happens to the motion of the water molecules as a result?

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Chemistry

Aileen Levine

Limes have a [H3O+] of 1.3 x 10-2 mol/L. Their pOH is

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