subject
Chemistry, 07.10.2019 10:30 spalmer7

Which of the following correctly represents an exothermic reaction? a making ice cubes b a candle flame c burning sugar d all are examples of exothermic reactions

ansver
Answers: 3

Other questions on the subject: Chemistry

image
Chemistry, 22.06.2019 21:00, melissalopez12
Acandle’s wick is the fabric string that holds the flame, and it burns down at a constant slow pace when the candle is lit. the wick is usually surrounded by wax. which is the most important property of covalent compounds that makes them useful for making candle wax? a low boiling point a low melting point a high boiling point a high melting point
Answers: 1
image
Chemistry, 22.06.2019 23:00, liv467
Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?
Answers: 3
image
Chemistry, 23.06.2019 04:31, diamondscott9297
Which of the following is an example of how telecommunication devices people do their jobs? a.) a security guard checks the time using a digital watch. b.) a banker does some quick math using a solar calculator. c.) a nurse uses a digital thermometer to take a patient’s temperature. d.) a construction worker reports in to his office using a cell phone.
Answers: 1
image
Chemistry, 23.06.2019 07:10, pk4mk
1) a light bulb takes in 30 of energy per second. it transfers 3j as use energy. calculate the efficiency. second. it transfers 3j as useful light energy and 27j as heat energy. calculate the efficiency
Answers: 1
You know the right answer?
Which of the following correctly represents an exothermic reaction? a making ice cubes b a candle f...

Questions in other subjects:

Konu
Mathematics, 18.08.2019 18:20
Konu
Mathematics, 18.08.2019 18:20