Aluminum metal reacts with sulfuric acis h2so4 to yield
Aluminum metal reacts with sulfuric acis, H2SO4, to yield aluminum sulfate and hydrogen gas. Calculate the mass of aluminum metal needed to produce 13.2g hydrogen.
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For a given sample of CH_3OH, the enthalpy change during the reaction is 82.1 kJ. How many grams of methane gas are produced
Two bars of identical mass are at 32 °C. One is made from glass and the other from another substance. What is the specific heat capacity of the other substance
When a .22-caliber rifle is fired, the expanding gas from the burning gunpowder creates a pressure behind the bullet. determine the average pressure of the expanding gas
How many kilojoules of heat are released when 38.3 g of CH_4(g) reacts completely with O_2(g) to form CH_3)H(g) at constant pressure
An article in Marketing News (T.T. Semon, "Consider a Statistical Insignificance Test," Marketing News, February 1, 1999) argued that the level of significance used when comparing two products is often too low--that is, sometimes you should be using
Hydrogen and nitrogen react to form ammonia, NH3. Calculate the mass of NH3 produced from the reaction of 14 g N2 and 1.0 g H2.
If you supply 117,000 cartons per year, you can afford as much as $ in fixed costs and still break even. (Do not include the dollar sign ($). Round your answer to 2 decimal places. (e.g., 32.16)) Hint: It's more than $187,200.
A soccer ball is kicked from the ground with an initial speed of 20.0 m/s at an upward angle of 43.7?. A player 50.3 m away in the direction of the kick starts running to meet the ball at that instant. What must be his average speed if he is to meet
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