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43.5-g of cesium explosively reacts with water to form hydrogen gas and cesium hydroxide. How many moles of hydrogen gas were formed?
2Cs(s) + 2H2O(l) --> 2CsOH(s) + 1H2(g)
Calculate the mass of silver needed to react with chlorine to produce 42 g of silver chloride.
2Ag(s) + Cl2(g) --> 2AgCl(s)
Silver Nitrate reacts with sodium chloride to make the silver chloride and sodium nitrate. When 12.65 grams of silver nitrate is reacted. How many grams of silver chloride are formed?
AgNO3(s) + NaCl --> AgCl(s) + NaNO3(aq)
Calcium Carbonate decomposes into calcium oxide and a common gas, carbon dioxide. When 91.0 grams of calcium oxide is formed how many liters of carbon dioxide gas is also formed from this reaction. First find the number of moles of carbon dioxide gas actually formed in the reaction, then use the following conversion factor: 1 mol CO2(g) = 22.4 Liters of CO2(g)
CaCO3(s) + HEAT --> CaO(s) + CO2(g)
Answers: 1
Chemistry, 22.06.2019 07:30, 10040813
The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
Answers: 3
Chemistry, 22.06.2019 19:20, Lovelybunny321
15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.
Answers: 1
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