During a lab investigation on chemical reactions, a group of students combined several substances into a beaker. They measured the mass of each substance before and after the investigation. The mass of the reactants was 58 grams and the mass of the products was 55 grams. Assuming the students did not make any errors, what could have caused this change in mass?
Answers: 3
Another question on Chemistry
Chemistry, 22.06.2019 08:30
Which part of earthโs surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains
Answers: 2
Chemistry, 22.06.2019 12:30
What is the percent composition of ca(oh)2? 37.7% ca, 53.0% o, and 10.3% h 45.5% ca, 38.2% o, and 16.3% h 54.0% ca, 43.0% o, and 2.7% h 64.7% ca, 27.0% o, and 8.3% h
Answers: 2
Chemistry, 22.06.2019 16:50
Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
Answers: 1
Chemistry, 23.06.2019 04:00
Which method would be best to separate a mixture of sand and gravel
Answers: 1
You know the right answer?
During a lab investigation on chemical reactions, a group of students combined several substances in...
Questions
Spanish, 19.05.2020 20:10
Mathematics, 19.05.2020 20:10
Mathematics, 19.05.2020 20:10
Chemistry, 19.05.2020 20:10
Mathematics, 19.05.2020 20:10
Mathematics, 19.05.2020 20:10
English, 19.05.2020 20:10
World Languages, 19.05.2020 20:10
Mathematics, 19.05.2020 20:10
Mathematics, 19.05.2020 20:10
