Type the correct answer in the box. Express the answer to three significant figures.
Given:
CH4 + 2O2 → CO2 + 2H2O, ΔH = -890 kJ/mol
How much energy is released when 59.7 grams of methane (CH4) reacts with oxygen?
The combustion of 59.7 grams of methane releases (blank)
kilojoules of energy.
Answers: 3
Chemistry, 21.06.2019 19:10, akatsionis25
When will le chatelier's principle come into effect? at the beginning of a reaction, when there are only reactants when a reaction has reached chemical equilibrium when a catalyst is added to a reaction mixture when a reaction is occurring but not yet at equilibrium
Answers: 3
Chemistry, 21.06.2019 23:30, huangjianhe135
Start an single atom tab. observe the decay of polonium-211. after each decay, press the reset nucleus button to watch the process again. write a description of alpha decay for po-211
Answers: 2
Chemistry, 22.06.2019 16:00, bbrogle5154
If 15 drops of ethanol from a medical dropper weight 0.60g, how many drops does it takes from a dropper to dispense 1.0ml of ethanol? the density of ethanol is 0.80g/ml
Answers: 1
Type the correct answer in the box. Express the answer to three significant figures.
Given:
Mathematics, 12.10.2019 01:30
Mathematics, 12.10.2019 01:30
English, 12.10.2019 01:30
Mathematics, 12.10.2019 01:30
Biology, 12.10.2019 01:30
Biology, 12.10.2019 01:30