Calculate the heat liberated
Calculate the heat released when 3.89 L of Cl2(g) with a density of 1.88 g/L reacts with an excess of sodium metal at 25°C and 1 atm to form sodium chloride.
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What mass in grams of carbon dioxide is produced if 85.0 mol of magnesium carbonate, MgCO3, are heated and allowed to decompose according to this equation? MgCO3(s)--> MgO(s) + CO2(g)
A 100-mm long and 20-mm diameter rod of 403-stainless steel is pulled to fracture, with reported results as follows: Yield Strength: 275-MPa Tensile Strength: 515-MPa Total Elongation: 35%
A 35.00 mL solution of 0.2500 M HF is titrated with a standardized 0.1356 M solution of NaOH at 25 C. What is the pH of the HF solution before titrant is added?
When the bottle is opened, the partial pressure drops to 3.0 multiplied by 10-4 atm. What is the solubility of CO2 in the open drink? Express your answer in grams per liter.
Aluminum burns in bromine producing aluminum bromide. In a laboratory 6.0 g of aluminum reacts with excess bromine. 50.3 g of aluminum bromide are produced. What are the three types of yield.
A 4m long quarter-circular gate of radius 3 m and of negligible weight is hinged about its upper edge A. The gate controls the flow of water over the ledge at B, where the gate is pressed by a spring.
The Hall process for the production of aluminum involves the reaction of aluminum oxide with elemental carbon to give aluminum metal and carbon monoxide. If the yield of this reaction is 75%, what mass of aluminum metal can be produced from the re
What volume would this air occupy if it were at 25.0°C under a pressure of 5.00 102 atm (a typical pressure in a compressed air cylinder)?
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