Chemistry, 11.08.2021 18:30 jalaholmes2027
A photon has an energy of 2.09Γ10^-18 kJ .What is its wavelength?β
Answers: 2
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How many moles of gas are present if p=11 atm, v=12l, t=185k?
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Chemistry, 22.06.2019 06:30
The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 β naoh + caco3 how many grams of naoh are produced from 20.0 grams of na2co3? (molar mass of na = 22.989 g/mol, c = 12.01 g/mol, o = 15.999 g/mol, ca = 40.078 g/mol, h = 1.008 g/mol) 12.2 grams 15.1 grams 24.4 grams 30.2 grams
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Chemistry, 22.06.2019 06:40
Three alkali metals in group 1 are a. calcium, strontium, barium b. boron, aluminum, gallium c. sodium, potassium, rubidium d. fluorine, iodine, chlorine
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Chemistry, 22.06.2019 16:30
Asample of freon gas has a volume of 2.23 liters, a pressure of 4.85 kpa, and a temperature of -1.36Β°c. calculate the volume at a pressure of 1.38 kpa and a temperature of 5.5Β°c. (show work)
Answers: 1
A photon has an energy of 2.09Γ10^-18 kJ .What is its wavelength?β...
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