Chemistry, 19.12.2019 07:31, biju10775

Which element is always present in a combustion reaction?

Answers: 1

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 10:00, halohero7

3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?

Answers: 2

continue

Chemistry, 22.06.2019 14:50, ladybugperez05

Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.

Answers: 1

continue

Chemistry, 23.06.2019 00:00, chloe8979

#7 how does the structure of amino acids allow them to form a polypeptide? each amino acid has an amino group and a carboxyl group. each amino acid has a hydrogen atom and a carboxyl group. each amino acid has a carboxyl group and an r group. each amino acid has an r group and a hydrogen atom.

Answers: 1

continue

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.