Connor A.

Chemistry Biochemistry Organic Chemistry

04/02/20

When a 28.4 mL sample of a 0.416 M aqueous hydrofluoric acid solution is titrated with a 0.418 M aqueous potassium hydroxide solution,

When a 28.4 mL sample of a 0.416 M aqueous hydrofluoric acid solution is titrated with a 0.418 M aqueous potassium hydroxide solution,(1) What is the pH at the midpoint in the titration? (2) What... more

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Science Biology Chemistry

04/02/20

According to the following balanced reaction, how many grams of NO are formed from 388 grams of NO2 if there is plenty of water present? 3 NO2(g) + H2O(l) → 2 HNO3(aq) + NO(g) (Please help Urgent)

Formula: 3 NO2(g) + H2O(l) → 2 HNO3(aq) + NO(g)

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Math Chemistry

03/30/20

part A part B and part C

part A 0.755 mol sample of argon gas at a temperature of 20.0 °C is found to occupy a volume of 22.9 liters. The pressure of this gas sample is mm Hg.part B A sample of methane gas collected at a... more

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Chemistry

03/26/20

5.00g of an unknown gas is collected at 20.0oC in a 1.00L container. It has a pressure of 2.733atm. What is the molar mass of the gas?

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Chemistry

03/01/20

Equilibrium Calculation

At a certain temperature, this reaction establishes an equilibrium with the given equilibrium constant, Kc. 3A ( g ) + 2B ( g ) ⇀ ↽ 4C ( g ) Kc = 1.73 × 10^23 If, at this temperature,... more

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Chemistry

11/12/19

Why are the trends for electronegativity and ionization energy similar?

Include the question in the answer, please and thank you

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Chemistry Entropy

04/21/19

AP Chemistry Entropy Question

3Ag(s) + 4HNO3(aq) = 3AgNO3(aq) + NO(g) + 2H2O(l) a) Predict the sign of the entropy change, Delta S, for the reaction. Justify your answer. b) Use the information the table below to calculate the... more

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Chemistry

03/19/19

How do you find the average rate of a reaction if the rate is NOT constant?

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