Chemistry, 25.02.2021 23:10 brandiwingard
Which statements correctly describe sound ( select all that apply)
A. Sound waves are compression waves that transfer energy in Molecules
B. All sound can be heard by human ears
C. Sound waves behave in predictable ways
D. All sound requires a medium through which to Travel
Answers: 3
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Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.
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Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?
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Chemistry, 22.06.2019 21:30
Plzz a sample of table sugar (sucrose, c12h22o11) has a mass of 7.801 g. ● a) calculate the number of moles of c12h22o11 in the sample b) calculate the number of moles of each element in c12h22o11 (number of moles of c, number of moles of h & number of moles of o) in the sample. (use your answer from part a as your starting point.) show your work and highlight your final answer. calculate the number of atoms of each element in c12h22o11 (number of atoms of c, number of atoms of h & number of atoms of o) in the sample. (use your answers from part b as your starting for each element.) show your work and highlight your final answer.
Answers: 1
Which statements correctly describe sound ( select all that apply)
A. Sound waves are compression w...
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