Chemistry, 18.10.2019 16:00 leilaelmazry
In an experiment, ann mixes concentrated sulfuric acid with water in a reaction test tube. the walls of the test tube turn hot. which of the following type of reaction has occurred?
a) endothermic
b) exothermic
c) reversible
d) irreversible
Answers: 1
Chemistry, 21.06.2019 15:30
219 grams of iron (iii) oxide reacts with excess carbon according to the reaction equation shown below. fe2o3 + c β fe + co2 after a scientist performs the chemical reaction they find the actual yield of iron to be 57.4 grams. calculate the percent yield of this chemical reaction.
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Chemistry, 22.06.2019 17:40
How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?
Answers: 3
Chemistry, 23.06.2019 02:00
The point along a planet's orbit where it is closest to the sun is called the
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In an experiment, ann mixes concentrated sulfuric acid with water in a reaction test tube. the walls...
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