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Pete's Pizza Parlor has 79.9 lbs. of pizza sauce. If the pizza sauce is spread onto large pizza crusts 1.19 mm thick with a diameter of 15.0 inches,how many pizzas can Pete make? Assume the density of the pizza sauce is 1.101 g/mL (round this to the nearest whole number).
Magnesium reacts with sulfuric acid according to the following equation: Mg (s) + H2SO4 (aq) ---> MgSO4(aq) + H2 (g). How many liters of hydrogen gas can be made from 65.6 g of magnesium at STP
At constant pressure and 25 degrees celcius a sample of gas occupies 4.5 liters. At what temperature will the gas occupy 9.0 liters?
water in order to raise the boiling point of the solution by 0.5 C? Assume the ideal van't Hoff factor for NaCl.
In an electrolysis cell similar to the one employed in this experiment, a student observed the unknown metal anode lost .206g while a total volume of 84.90mL of H2 was being produced. The temperature in the lab was 230C and the barometric pressure..
For the cell diagram T1 and Pt Enter part(a), (c) with 2 siginificant digits and part(b) with 3 siginificant digits. Enter scientific notation as 1.23E4. (a) What is Ecell if the unknown solution in the half-cell on the left has pH = 4.94
20.00 mL of 0.160 M HC2H3O2 (Ka = 1.8x10-5) is titrated with 0.200 M NaOH. What is the pH of the solution before the titration begins
The reaction of nickel with concentrated nitric acid, the products are nickel III nitrate, water and nitrogen monoxide, sometimes called nitric oxide. If 250 ml of nitric oxide were collected over mercury at 42C and under a pressure of 745 mm of m..
What compounds is used to to change single bonded octane into double bounded high octane
How many grams of Na2SO4 (FM 142.02) should be added to how many grams of sulfuric acid (FM 98.08) to give 1.35 L of buffer with pH 2.80 and a total sulfur (= SO42- + HSO4- + H2SO4) concentration of 0.200 M
given that CO2 makes up .0355% of the atmosphere what is the maximum concentration fo CO2 in H2O. Using Henrys law C=kP where k for CO2 = 2*10^-3
Mg + 2HCl --> MgCl2 + H2 For a mass of 0.013 g Mg and 5.0 mL of 1.00 M HCl, in a flask with V = 140.612 mL at 23.5?C. Calculate the initial and final pressure (atm).
write equations for the chemical reactions that occurred between the aqueous solutions of the oxides of sulfur and calcium and between the aqueous solutions
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