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A cup of sugar has a volume of 237 mL. What is the mass of the cup of sugar if the density is 1.59g/mL?
Estimate the mass of potassium hydrogen phthalate (KHP) that will require 25 ml of 0.10 M NaOH to reach the equivalence point in a titration.
calculate the number of tons of carbon dioxide and sulfur dioxide produced by the plant during the year. (b) If 55% of SO2 could be removed by reaction with powdered CaO to form CaSO3, how many tons of CaSO3 would be produced.
Prepare the molecular formula for given compounds and determine the amount of molecules present and write the molecular formula and determine how many grams of each you have
A gaseous reaction occurs at a constant pressure of 40.0 atm and releases 68.0 kJ of heat. Before the reaction, the volume of the system was 9.00 L. After the reaction, the volume of the system was 2.00 L.
The average concentration of strontium ion in seawater is 8.00 mg of strontium ion per kg of seawater. What is the molarity of the strontium ion if the density of the seawater is 1.025 g/mL.
aqueous solution of 0.110 m of a weak acid ha is 1.80 ionized. determine at what temperature does this solutionaq
How many electrons are around the central atom in the expanded valence in I3-; where the 3 is subscript and the negative sign is superscript
At equilibrium, [H2] = 5.0 M, [N2] = 8.0 M and [NH3] = 4.0 M. What was the initial concentration of H2(g) before any reaction occurred
there are 2.2 mg of lead in exactly 500 g of a water sample. what would the concentration of lead be in parts per
three gases hydrogen helium and krypton are confined in a 7.00 l vessel at a pressure of 13.0 atm. the vessel contains
Radon (Rn) has a mass number of 222 and an atomic number of 86 and decays by emission of an alpha particle. The product of this decay is, Identify the product of the nuclear reaction by providing its atomic symbol , mass number , and atomic number
Assume the eccentric professor has a daily special request for her coffee. She likes to have the 250.0 mL of coffee frozen at -15.0°C overnight and then want it heated to 95°C when she gets there in the morning.
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