Science 7 grade 7. can anyone me answer these science questions?
i need the answers soon as...
Chemistry, 23.01.2020 02:31, bryanmcmillianjr
Science 7 grade 7. can anyone me answer these science questions?
i need the answers soon as possible.
thermal expansion in a balloon occurs because
the gas cools off and causes the size of the balloon to change
when the gas heats up, the particles move closer together
when a gas is heated, the particles hit the walls of the container with greater force
when the gas cools, the particles move closer together
is a way thermal energy is transferred.
fill in the blank ?
a cellphone battery is what type of energy form?
a piston in an engine is what type of energy form?
the choices are :
nuclear, radiant ,sound, thermal, electric, mechnical
Answers: 1
Chemistry, 22.06.2019 05:30, ayoismeisjjjjuan
What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion
Answers: 1
Chemistry, 22.06.2019 08:00, tchase0616
What is the molarity of 60.0 grams of naoh dissolved in 750 milliliters of water? a) 1.1 m b) 2.0 m c) 12 m d) 75 m
Answers: 1
Chemistry, 22.06.2019 23:10, RealStephani
Match the formula for the following compound: magnesium sulfate heptahydratemgs·7h2omg2so4·7h2omg(s o4)2·7h2omgso4·7h2o
Answers: 1
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