Chemistry Homework Solutions

Determining weight %; ppm by mass; and solubility of alum?

Problem Statement: Chemical XYZ is added to a substrate at a defined rate of 1.17% of the dry weight of the substrate; paper makers alum (Al2(SO4)3-14H2O) is added to the substrate at a rate of 45% of the Chemical XYZ rate; the dry weight of the substrate is given as 1460 lbs/1000 ft2 The molecular weight of the alum is g ...continues

Why do Solutions of Ions Conduct Electricity?

1) Name this compound: Bel2 2) Solid salt does not conduct electricity. How then does dissolving salt in water allow electricity to flow?

A solution of sodium hydroxide is added to a solution of lead (II) nitrate

A solution of sodium hydroxide is added to a solution of lead (II) nitrate a) write a balanced equation b) if 1.0L volumes of 1.0 M solutions oh sodium hydroxide lead (II) nitrate are mixed together how many moles of the product(s) will be produced? Assume the reaction goes to completion.

Kinetics - Reaction

Please see the attached file. 4. The following data were measured for the reaction: BF3 (g) + NH3 (g) -> F3 BNH3 (g) experiment [BF3] (M) [NH¬3] (M) Initial rate (M/s) 1 0.250 0.250 0.2130 2 0.250 0.125 0.1065 3 0.200 0.100 0.0682 4 0.350 0.100 0.1193 5 0.175 0.100 0.0596 a. what is the rate ...continues

A 40-year-old manager, at a prominent legal firm in L.A., experiences abdominal pain post lunch. ...

A 40-year-old manager, at a prominent legal firm in L.A., experiences abdominal pain post lunch. He goes to the restroom a couple of times, but continues to experience pain and cramps. He eventually decides to get himself examined. While questioning him, you learn that he consumed two bottles of beer at lunch. The alcohol (ethyl ...continues

A 55-year-old woman visits a popular eatery for lunch.

A 55-year-old woman visits a popular eatery for lunch. She orders a cheese and bacon pizza with extra cheese and has about 3 large glasses of cola (ph value 3). On the way back home, she experiences heartburn and abdominal pain, and has difficulty breathing. She drinks a lot of water and has to consume milk of magnesia (pH value ...continues

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