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consider the reaction 2H2(g)+O2(g)----->2H2O(l) what is the mass of water produced when 6.45g of O2 reacts witht the excess H2?
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When 85.0 g of CH4 are mixed with 160 g of O2 what is the maximum amount of CO2 that can be produced? CH4+2O2=CO2=2H2O
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The density of silver is 10.5g/cm3. A piece of silver with a mass of 61.3 g would occupy a volume of __________ cm3. a.0.00155 b.0.171 c.10.5 d.644 e.84
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How many moles of N atoms are there in 0.882 moles of (NH2)2CO?
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At 710 mm Hg a sample of nitrogen gas occupies 625 mL What volume does the gas occupy if the temperature remains constant and the pressure increases to 760 mm Hg?
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The activation energy for the following reaction is 60. kJ/mol. Sn2+ + 2Co3+ Sn4+ + 2Co2+ By what factor (how many times) will the rate constant increase when the temperature is raised from 10 C to 28 C?
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2.345 grams into Mg
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1. Elemental chlorine can be produced by reacting manganese dioxide with sulphuric acid and sodium chloride according to the equation (unbalanced): NaCl(s) + H2SO4(l) + MnO2(s) Na2SO4(s) + MnCl2(s) + H2O(l) + Cl2(g) Calculate the minimum mass of MnO2 required to generate 5.32 L of...
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what is a 7 letter slogan for the element barium
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MOLE OF CHLORINE GAS IN 5.32L at a pressure of 0.953 atm and a temperature of 33 C.
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Sample Questions
- 1. For organic chemistry, what is a concerted shift? How do things like acids or heat affect them? What other factors affect them?
- 2. Which of the following reactions is an acid-base neutralization reaction? Why are the rest of the answers incorrect?
- A. AgNo3 (aq) + NaI (aq) --> AgI (s) + NaNO3 (aq)
- B. S8(s) + 8O2 (g) --> 8SO2(g)
- C. Na3PO4 (s) + 2H2O (l) --> H2 (g) + 2NaOH (aq)
- D. Ca (OH)2 (aq) + 2HI (aq) --> CaI2(aq) + 2H2O (l)
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