Chemistry, 07.10.2019 05:30 arturocarmena10
If 89.6 joules of heat are needed to heat 20.0 grams of iron from 30.0°c to 40.0°c, what is the specific heat of the iron in jg? °c jg? °c ?
Answers: 2
Chemistry, 22.06.2019 11:40
Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both
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Chemistry, 22.06.2019 20:00
Acm ruler with main graduations from 1 to 10 from left to right there are 10 secondary graduations between each of the main graduations there is a line that begins. at the left end of the ruler 10 secondary graduations to the left of the “1 main graduation the right end of the line ends on the eighth secondary graduation to the right of 3 how long is the line
Answers: 1
Chemistry, 22.06.2019 23:00
Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]
Answers: 1
Chemistry, 23.06.2019 00:30
Fred is studying a substance that is made out of only one element. this means that
Answers: 1
If 89.6 joules of heat are needed to heat 20.0 grams of iron from 30.0°c to 40.0°c, what is the spec...
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