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Balance the equations and indicate the type of reaction. HgO -> Hg + O2. and also AgNO3 + BeCl3 -> AgCl + BeNO3.
How much heat in kilojoules is evolved or absorbed in the reaction of 244.0g of calcium oxide with enough carbon to produce calcium carbide?
The normal respiratory rate for a human being is 15.0 breaths per minute. The average volume of air for each breath is 505 cm3 at 20.0 degrees Celsius and 9.95 times ten to the fourth Pa. What is the volume of the air at STP that an individual bre..
if 8.6L of H2 reacted with 4.3L of O2 at STP, what is the volume of the gaseous water collected (assuming that none of it condenses)?2H2(g)+ O2(g)--> 2H2O(g
Compute the final pressure in the tank if nothing else is altered in the surroundings. (The two gases do not react)
A sample of hydrogen gas occupies 15.8 L at STP. How many moles of the gas are present?
Consider 1.00 L of air in a patient's lungs at 37.0 C and 1.00 atm pressure. What volume would this air occupy if it were at 25.0°C under a pressure of 5.00* 10-2 atm (a typical pressure in a compressed air cylinder)?
Compounds A and B react to give a single product, C. Write the rate law for each of the following cases and determine the units of the rate constant by using the units M for concentration and s for time.
Calculate the heat released when 2.00L of Cl2(g) with a density of 1.88 g/L react with an excess of sodium metal as 25°C and 1 atm to form sodium chloride. [H°f(NaCl) = -411.0 kJ/mol
66.0 mL of a 1.60 M solution is diluted to a volume of 288 mL. A 144-mL portion of that solution is diluted using 163 mL of water. What is the final concentration.
have 2.50 ml of 4.00 M sugar solution. You add 217.3 ml of water to this solution. determine the concentration of the sugar solution after the water has been added.
The flask was then shaken until the solution was uniform. A 25.0-sample of this glucose solution was diluted to 0.500 . How many grams of glucose are in 100. of the final solution?
How many fluoride atoms are in the tube of toothpaste? How many grams of sodium ion are in 2.10 toothpaste? How many molecules of triclosan are in the tube of toothpaste?
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