CP Chem Final Review

Question 1

What is the % mass of O in Al(NO3)3

Accepted Answer

67.6%

Question 2

How many mm Hg is 3.25 atm?

Accepted Answer

2470

Question 3

Cu(NO3)2 + Na2S --> CuS + 2 NaNO3 is what type of reaction?

Accepted Answer

double replacement

Question 4

126g of Ti is heated from 2OoC to 45.4oC & absorbs 1.68 kJ of heat. What is the sp. ht. of Ti?

Accepted Answer

0.525 J/g.oC

Question 5

What is the pH of a 0.0001 M HCl solution?

Accepted Answer

4

Question 6

If pH = 3.68 pOH =?

Accepted Answer

10.32

Question 7

Which one of the following atoms has a partially filled d sublevel?

Accepted Answer

Fe

Question 8

S8 + O2 --> SO3 What are the coefficients for the balanced equation?

Accepted Answer

1,12,8

Question 9

Non metal atoms tend to ____ electrons to form ____ .

Accepted Answer

gain, anions

Question 10

How many grams of MgO are needed to make 100 mL of a 0.05 M solution?

Accepted Answer

0.12 g

Question 11

3.25L of NH3 exerts a P=652 mmHg at T=243K. The P of 2.50 L this same gas at T=221 K =?

Accepted Answer

771 mm Hg

Question 12

A solution with a pH of 7.5 would be classified as a ______

Accepted Answer

base

Question 13

Which describes an exothermic process?

Accepted Answer

Gives off heat

Question 14

Atoms of which element would gain electrons when bonding?

Accepted Answer

Br

Question 15

A gas occupies 40.0 mL at -123°C. What V does it occupy at 27°C, assuming pressure is constant?

Accepted Answer

80 mL

Question 16

If I have 6 mol gas at 3.2 atm and a volume of 10 L what is the T?

Accepted Answer

65 K

Question 17

Which is a salt?

Accepted Answer

NaBr

Question 18

What is the name of Group1/1A

Accepted Answer

Alkali metals

Question 19

Which of the following compounds contains ionic bonds?

Accepted Answer

KBR

Question 20

Which of the following atoms has the electron configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d1?

Accepted Answer

Sc

Question 21

Which element has the highest electronegativity?

Accepted Answer

Cl

Question 22

4HNO3 -> 4NO2+2H20+O2 How many mol of NO2 are made if 3.0mol O2 are made in the decomp of HNO3?

Accepted Answer

12 mol

Questions 22