Chemistry, 17.10.2021 14:00 donaji1024perez
gas with initial pressure 500cm³ is allowed to expand to 600cm³ if the final pressure is 1.01 ×100000 what was the initial pressure of gas at 500cm³
Answers: 1
Chemistry, 21.06.2019 14:30
Which is true of the reactants in this displacement reaction? fe + 2hcl fecl2 + h2 a. the reactants are located to the left of the arrow in the chemical equation. b. the reactants contain 1 iron atom, 2 hydrogen atoms, and 1 chlorine atom. c. the reactants are the atoms, molecules, or compounds formed in the reaction. d. the reactants have the same physical and chemical properties as the products.
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If oil spills continue, all of the following should be expected except (2 points) death of aquatic life. polluted groundwater. decreased soil productivity. increased global temperatures.
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Silver reacts with oxygen to produce silver oxide. (write balanced chemical equation and identify type of chemical reaction.)
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Chemistry, 23.06.2019 06:40
The combustion of methane, ch4, releases 890.4kj/mol. that is, when one mole of methane is burned,890.4 kj are given off to the surroundings. this meansthat the products have 890.4 kj less than the reactants.thus, ah for the reaction = - 890.4 kj. a negative symbolforah indicates an exothermic reaction.ch (g) + 20 (g)> co2 (g) + 2 h0 (1); ah = - 890.4 kga) how much energy is given off when 2.00 mol of ch,are burned? b) how much energy is released when 22.4g of ch. areburned?
Answers: 1
gas with initial pressure 500cm³ is allowed to expand to 600cm³ if the final pressure is 1.01 ×10000...
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