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Chemistry
Prepare a 200 grams of a 0.15 Molal Glucose (C6H12O6) solutiona. What weight of Solute is neededb. What weight Water is needed
Chemistry
2700 J of heat is produced when 1.7 g of ammonia undergoes a reaction. The molar enthalpy of reaction for the ammonia is ab kJ/mol.
Chemistry
stomach relief medications contains the compound Sodium hydrogen carbonate; an over the counter bottle of the medication contains 350g of Sodium hydrogen carbonate.
Calculate the number of particles in this sample of Sodium hydrogen carbonate.
Calculate the number of oxygen ions present in this mass.
Calculate the number of particles in this sample of Sodium hydrogen carbonate.
Calculate the number of oxygen ions present in this mass.
Chemistry
C6 H12 O6 + 2C2 H5 OH+ 2CO2
if 3.44 mol of ethanol are produced during the reaction, how many glucose have been used?
if 3.44 mol of ethanol are produced during the reaction, how many glucose have been used?
Chemistry
how many mol of carbon dioxide are formed by the complete reaction of 1.4 mol of glucose?
Chemistry
What is the mass of AlCl3 if there are 34.0 g of aluminum that is reacted to 39.0 g of chlorine gas?
Chemistry
Calculate the heat capacity of two cast-iron frying pans, one large and one small. The temperature of each pan is increased by 50 degrees. That requires an input of 18,150 J of energy for the small pan, and 90,700 J for the large pan
Chemistry
Sulfuric acid is needed in in a lead storage battery. A 25.00 mL sample of “battery acid” taken from the functioning battery requires 53.7 mL of 4.552 M NaOH for complete neutralization. What is the molarity of the battery acid?
Chemistry
2A+B=C the initial amount of the reactant present in one dm3 of solution were 0.50moles of A and 0.60moles of B at equilibrium the amount were 0.20mole of A and o.45mole of B and 0.15mole of C calculate the equilibrium constant Kc
Chemistry
explain how you would separate a mixture in order to attain 3 pure substances
