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if 44.55mL of a standard .4388 M KOH solution reacts with 50.60mL of CH3COOH solution, what is the molarity of the acid solution?
Determine the entropy change when 5.60 mol of HCl(l) boils at atmospheric pressure with the following information
P4(s) + 6F2(g) --> 4PF3(g) How many grams of fluorine are needed to react with 6.20g of phosphorus?
A 100.0 g copper sample (specific heat = 0.385 J/goC) at 100.0oC is added to 50.0 g water at 26.5oC. What is the final temperature of the copper-water mixture?
A laser pulse with wavelength 555 contains 4.40 of energy. How many photons are in the laser pulse?
Determine what type of bond is expected for a compound formed between Magnesium and Oxygen Based on these values,?
The resulting W3 was transferred to 500.0 mL of 1.00 M HCl. A 100.00 mL aliquot of the HCl solution required 12.26 mL of 0.08855 M potassium permanganate (KMnO4) to reach the purple endpoint.
an antacid, contains CaCO3. If Tums is added to 20.0mL of 0.400 M HCl solution, how many grams of CO2 gas are produced?
Determine how many moles of each Na+ and Cl- are in 1.00L of the saline solution?
What proportion of 3-phosphoglycerate will carry 14C after five enzymatic turnovers (five equivalents of CO2 are fixed) if purified active
Alka-Seltzer contains both baking soda (NaHCO3) and citric acid (H3C6H5O7). The reaction between the bicarbonate ion and citric acid produces water
Assuming 100% dissociation, calculate the freezing point and boiling point of 2.75 m K3PO4(aq).
When burned in oxygen, 10.0 g of phosphorus generated enough heat to raise the temperature of 2950 g of water from 18.0oC to 38.0oC. The heat of formation of P4O10 from P4(s) and O2(g) is:
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