Chemistry, 11.03.2021 07:10 ambercuevas2707
A Helium filled balloon has a volume of 5.0 L at 20°C. The volume of the balloon decreases to 4.0 L after it is placed outside on a cold day. What is the new Temperature of the gas in the balloon?
Answers: 3
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The rock in a lead ore deposit contains 89 % pbs by mass. how many kilograms of the rock must be processed to obtain 1.5 kg of pb?
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Chemistry, 22.06.2019 11:00
When hydrochloric acid reacts with potassium hydroxide solution, the following reaction occurs. hcl (aq) + koh (aq) h2o (l) + kcl (aq) the reaction gives off heat energy, so it is an reaction.
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The atomic number, or number, is the described as the number of in the nucleus of an chemical element.
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Chemistry, 22.06.2019 15:30
Each of the following reactions is allowed to come to equilibrium and then the volume is changed as indicated. predict the effect (shift right, shift left, or no effect) of the indicated volume change. drag the appropriate items to their respective bins.co(g) + h2o(g) < => co2(g) + h2(g) (volume is decreased) pcl3(g) + cl2(g) < => pcl5(g) (volume is increased) caco3(s)< => cao(s) + co2(g) (volume is increased)
Answers: 1
A Helium filled balloon has a volume of 5.0 L at 20°C. The volume of the balloon decreases to 4.0 L...
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