Chemistry, 17.10.2020 14:01 brookieharrisop5n7us
34. A compound which is prepared from gypsum has the properties of
hardening when mixed with proper quantity of water. Identify the compound
and write its chemical formula. write the chemical equation for its preparation.
Mention any one use of the compound.
Answers: 3
Chemistry, 22.06.2019 12:30
If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?
Answers: 3
Chemistry, 22.06.2019 18:10
Given the following at 25c calculate delta hf for hcn (g) at 25c. 2nh3 (g) +3o2 (g) + 2ch4 (g) > 2hcn (g) + 6h2o (g) delta h rxn= -870.8 kj. delta hf=-80.3 kj/mol for nh3 (g), -74.6 kj/mol for ch4, and -241.8 kj/mol for h2o (g)
Answers: 1
34. A compound which is prepared from gypsum has the properties of
hardening when mixed with proper...
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