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1. Calculate the number of grams present in 5 moles of Aluminum.
2. Calculate the number of grams present in 17 moles of magnesium nitrate.
3. Calculate the number of moles of Au atoms are present in 10 grams of gold.
4. Calculate the number of molecules present in each: 100 g of C6H1206; and in 100 g of C7H12C12F2;
5. Calculate the number of particles present in each: 100 g of aluminum oxide, 750 g of calcium phosphate, 250 g of sodium chloride.
A power plant burns 10^4 kg hr-1 of coal containing 2.5% sulfur. The effluent is released from a single stack of height 70 m. The plume rise is normally about 30 m.
Estimate the resulting reduction in the animal's body temperature from its normal body temperature of 102°F (39.2°C) during 2.00 h of Minor surgery not requiring the body cavity to be opened.
If the measured gas pressure in a collection flask during a gas-forming reaction was determined to be 1.44 atm, and the atmospheric pressure that day was measured as 0.95 atm.
Carbon dioxide dissolves in water and water evaporates into the atmosphere during the experiment. How do these two factors affect the results of your analysis in this experiment? Where an experiment of an Alka Seltzer tablet is put in a mixture of..
Problem- Ammonia gas is synthesized by combining hyrdogen and nitrogen. If you want to produce 562g of NH3, what volume of H2 gas at 56 degree Celsius and 745 mmHg is required? (r=0.08206 L(atm)/ mol(K), also assume the reaction is not an equilibr..
Ethanol, C2H5OH, boils at 78.29°C. How much heat energy (in kilojoules) is necessary to heat 1.30 kg of this liquid from 19.0°C to the boiling point also then change the liquid totally to a vapor at that temperature. The specific heat of liquid et..
we were given mass and volume and we were asked to find limiting reactant in second question we were asked to find
Question- There is a container of 3 gases: N2, O2 and He. Determine the pressure of the O2 gas if the total pressure is 2.1 atms and the partial pressures of the He and N2 gases are 0.70 atm and 0.75 atm
From your experimental data, how many moles of calcium carbonate are in one TUMS tablet? D. Using the value in your answer to question C. calculate the number of moles of HCI that two TUMS Tablets can neutralize.
There are three types of joints: synarthrotic, amphiarthrodial, and synovial. Identify and describe different exercises or activities that involve using
Net ionic equation for Sodium Carbonate and Lithium sulfate. Sodium carbonate and sulfuric acid. Strontium chloride and lithium sulfate.
Question- Practice in density calculations. Some pranksters managed to get a hold of some ethylene glycol, adipic acid and aromatic diisocyanate and filled a U-Haul truck full of polyurethane foam.
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