subject
Chemistry, 30.09.2019 19:40 darkremnant14

Express the sum of km and 333 km using the correct number of significant digits.
a.2500 km
b.2550 km
c.2550. km
d.2555 km

ansver
Answers: 1

Another question on Chemistry

question
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
question
Chemistry, 22.06.2019 21:00
Rays from the sun are not considered matter true or false
Answers: 2
question
Chemistry, 22.06.2019 22:20
Asuspension of yeast cells is being grown under anaerobic conditions such that glucose is degraded to ethanol and carbon dioxide. if one wishes to follow this process by monitoring the release of 14co2, at which positions in the glucose molecule would the 14c label need to be incorporated?
Answers: 2
question
Chemistry, 22.06.2019 22:40
Percent ionization for a weak acid (ha) is determined by the following formula: percent ionization=[ha] ionized[ha] initial×100%for strong acids, ionization is nearly complete (100%) at most concentrations. however, for weak acids, the percent ionization changes significantly with concentration. the more diluted the acid is, the greater percent ionization.a certain weak acid, ha, has a ka value of 9.4×10? 7.part acalculate the percent ionization of ha in a 0.10 m solution.part bcalculate the percent ionization of ha in a 0.010 m solution
Answers: 1
You know the right answer?
Express the sum of km and 333 km using the correct number of significant digits.
a.2500 km <...
Questions
question
Mathematics, 01.09.2020 01:01
question
Mathematics, 01.09.2020 01:01
question
Mathematics, 01.09.2020 01:01
question
History, 01.09.2020 01:01
Questions on the website: 13722360