Chemistry, 30.10.2021 18:40 guitarherolds
6. An ice cube tray full of ice (235g) at-7.0°C is allowed to warm up to room
temperature (22°C). How much energy must be absorbed by the contents of the tray
in order for this to happen?
Answers: 1
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Iron (3) oxide will decompose in the presence of hydrogen gas and heater to produced iron and digydrogen monoxide white a balanced chemical equation
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Chemistry, 22.06.2019 13:30
1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6
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Chemistry, 22.06.2019 23:30
Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules
Answers: 2
6. An ice cube tray full of ice (235g) at-7.0°C is allowed to warm up to room
temperature (22°C)....
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