Exam 1

Question 1

1000 calories

Answer 1

1 Calorie

Question 2

s–>l—->g

Answer 2

Endothermic

Question 3

delta h

Answer 3

kj/mole

Question 4

calculating heat of a substance (q)

Answer 4

mcdelta T

Question 5

coffee cup/2 temp changes

Answer 5

mcdeltat=-mcdeltat

Question 6

given heat capacity of solution; one temp change

Answer 6

q=mcdelta t. q rxn=-qrxn. add solute and solvent.

Question 7

Given heat capactiy of bomb

Answer 7

qrxn=-(qbomb+qwater) or qrxn=-qbomb

Question 8

qbomb

Answer 8

cbomb delta T

Question 9

Given heat capacity of solution and bomb

Answer 9

qrxn=-(qbomb+qsoln)

Question 10

hydrocarbo combustion

Answer 10

co2 and H20

Question 11

percent yield

Answer 11

actual yield/theoretical yiedl*100

Question 12

electrolyte strength of a covalent compound

Answer 12

nonelectrolyte

Question 13

soluble salts

Answer 13

strong electrolytes and break apart!

Question 14

Oxyacids

Answer 14

Ate might get sick, bite bight get nautious

Question 15

HBR

Answer 15

strong acid

Question 16

HCL

Answer 16

strong acid

Question 17

HI

Answer 17

strong acid

Question 18

HNO3

Answer 18

strong acid

Question 19

HCLO4

Answer 19

strong acid

Question 20

H2SO4

Answer 20

strong acid

Question 21

strong bases

Answer 21

circle b on periodic table

Question 22

acid base neutralizaiton

Answer 22

forms water

Question 23

alkanes/hydrocarbons

Answer 23

me-eth prop-but CnH2n+2

Question 24

ammonium

Answer 24

NH4+

Question 25

hydroxide

Answer 25

OH-

Question 26

hydronium

Answer 26

h3o+

Question 27

NITRATE

Answer 27

NO3-

Question 28

acetate

Answer 28

CH3COO-

Question 29

chlorate/bromate/iodate

Answer 29

Clo3-

Question 30

sulfate

Answer 30

so4 2-

Question 31

carbonate

Answer 31

Co32-

Question 32

phosphate

Answer 32

PO43-

Question 33

sulfite/nitrite/perchlorite

Answer 33

drop an O