What mass in grams of carbon dioxide is produced
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)
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What is the molecular weight of a gas if a 250 mL sample of this gas collected over water at 735 mm Hg and 28.0°C has a mass of 1.25 gram? The equilibrium vapor pressure of water at 28.0°C is 28.3 mm Hg.
Suppose a heat engine is connected to two energy reservoirs, one apool of molten aluminum (660°C) and the other a block of solidmercury (-38.9°C).
Consider the reaction between salicylic acid (C7H6O3) and acetic anhydride (C4H6O3) to form aspirin (C9H8O4): C7H6O3 + C4H6O3 → C9H8O4 + H2O What is the sum of all the coefficients in the balanced equation?
How many liters of ethylene glycol, CH2(OH)CH2(OH), should be added to a car radiator that contains a total of 6.5 L of coolant in order to protect the cooling system from freezing to a temperature of - 20 °C. The density of ethylene glycol is
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.
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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Working in the yard, you feel unpleasantly hot and sweaty when you come in the house, so you take a shower and begin to feel better.
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Lifespan psychologists are unlikely to investigate both changes as well as consistencies that exist in different individuals'
Think about where you were the most and least engaged when reading a classmate's draft. Think about what captured your attention
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In our readings, we learn more about the nature versus nurture argument. For this discussion, I want you to go in depth a bit more and debate the importance
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