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A minimum of _____ moles of sodium carbonate is needed to fully react with 750 g of HCl.
Calculate the mass of each product formed when 175 g of silver sulfide reacts with excess hydrochloric acid.4 significant figures. Ag2S(s) + HCl(aq) AgCl(s) + H2S(g) [unbalanced]
An aqueous solution of Na2CO3 has a pH of 10.00. The CO3-2 (carbonate anion) is the conjugate base of its conjugate acid, HCO3- (bicarbonate anion). Write the net ionic equation for the reaction which shows why the solution has a basic pH.
solid carbon dioxide sublimes at a rate of 0.726 g/minute. How many gaseous carbon dioxide molecules are present after 5.00 minutes
a series of silicon-hydrogen compounds with the general formula sinh2n2 can be represented by the known compounds sih4
How many molecules of carbon dioxide will be formed if 4.89 g of propane, C3H8, is burned with excess oxygen. Correct Answer : 2.00 × 1023 molecules
You are given 2.72 g of salicylic acid. Using the procedure in the lab manual for the synthesis of aspirin, you recover 0.96 of aspirin. Calculate your percent yield of aspirin.
One way to experimentally measure the heat capacity of a Styrofoam cup calorimeter would be to melt a known mass of ice in warm water and measure the temperature change. Use the data below to determine the experimental heat capacity of a calorimet..
Which of the following are typically TRUE of an oxidizing agent? 1. It causes oxidation. 2. It gains electron(s). 3. It is the reduced substance. 4. all 5. none
Problem- Draw cyclohexane in the boat conformation. Please denote all eclipsing interactions and any interactions that cause steric strain. Please also clarify how you know from the drawing how many interactions are there? And what are they?
How many grams of propanol (C3H7OH, 60.10 g/mol) would be needed to make 750 mL of a solution with an osmotic pressure of 25 atm at 25°C? (R = 0.0821 L/atm/K/mol)
A 255-mL flask contains pure helium at a pressure of 760 torr. A second flask with a volume of 455 ml contains pure argon at a pressure of 722 torr.
Why is a reaction that is performed in ethanol considered "greener" than a reaction that uses dichloromethane as a solven
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