A virus has a mass of 9.0(10^-12)
and an oil tanker has a mass of 3.0 (10^7) kg
.
<...
A virus has a mass of 9.0(10^-12)
and an oil tanker has a mass of 3.0 (10^7) kg
.
Use this information to answer the questions below. Be sure your answers have the correct number of significant digits.
What is the mass of 1 mole of viruses?
How many moles of viruses have a mass equal to the mass of an oil tanker?
Answers: 1
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For each of the following compounds, write the formula then predict whether it would be a strong, weak, or non-electrolyte when placed in di water. for the ionic compounds only, put (s) or (aq) after the forrmula formula strong, weak or non electrolyte? a calcium hydroxide b. silver carbonate c. lead(ii) sulfate d. phosphorus trifluoride e. sodium phosphide f barium sulfate g. strontium acetate h. zinc nitrate
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The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?
Answers: 1
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Consider the following reaction at equilibrium: c(s)+h2o(g)βco(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.
Answers: 3
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