Chemistry, 10.09.2019 05:30 darrenmcfadden220
Aballoon contains a fixed amount of helium. if the initial conditions are 1.12 liters, 3.00 atmospheres, and 19 degrees celsius, what will the final volume be when the balloon is exposed to 1.00 atmosphere pressure and 22 degrees celsius?
Answers: 1
Chemistry, 22.06.2019 03:00
Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture
Answers: 1
Chemistry, 22.06.2019 04:20
Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.
Answers: 1
Chemistry, 22.06.2019 10:20
In a reaction equation, where are the products located? a.) above the arrow b.) to the right of the arrow c.) to the left of the arrow d.) below the arrow
Answers: 2
Chemistry, 22.06.2019 13:30
Which statements are true concerning mineral formation? check all that apply. the slower the cooling, the larger the crystals. the faster the cooling, the smaller the crystals. crystals formed from magma are smaller than crystals formed from lava. minerals can only form in solutions when the solution is heated deep underground. when a solution cools, elements and compounds leave the solution and crystallize as minerals. minerals formed from hot water solutions can form narrow channels in the surrounding rock.
Answers: 1
Aballoon contains a fixed amount of helium. if the initial conditions are 1.12 liters, 3.00 atmosphe...
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