Chemistry, 15.04.2021 14:00 brendanhein1
If 148.8 grams HCl reacts with excess Zn, how many moles of ZnCl2 could be formed? (Molar mass of HCI=36.46 g/mol)
Answers: 2
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Based on the law of conservation of energy, which statement is false? answer- energy is lost when machines dont work right
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Chemistry, 22.06.2019 12:40
When 13.3 g koh is dissolved in 102.7 g of water in a coffee-cup calorimeter, the temperature rises from 21.4 °c to 31.53 °c. what is the enthalpy change per gram of koh (j/g) dissolved in the water? * take the density of water as 1.00 g/ml. * assume that the solution has a specific heat capacity of 4.18 j/g*k. enter to 1 decimal place. do not forget the appropriate sign /(+). canvas may auto-delete the (+) sign
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What is the chemical name of the compound na2co3? use the list of polyatomic ions and the periodic table to you answer. a. sodium carbon oxide b. sodium carbonate c. sodium(ll) carbonate d. sodium oxalate
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Chemistry, 22.06.2019 15:30
What best discribes the relationship between wavelength and frequency in a electromagnetic wave
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If 148.8 grams HCl reacts with excess Zn, how many moles of ZnCl2 could be
formed? (Molar mass of H...
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