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15.00 mL of radiator liquid from a car has a mass of 15.69 g. Calculate the density of the radiator liquid. Based on the calculation, is the density of ethylene glycol greater or less than that of water?
a solution of ammonia and water contains 1.60times1025 water molecules and 7.00times1024 ammonia molecules. how many
A 486 mL sample of water was cooled from 50.0°C to 10.0°C. Assuming a specific heat of 4.184 J/K g and a density of 1.00 g/mL, find the amount of heat transferred from the water to the surroundings.
benzylamine was titrated with 0.050 0 M HCl. Calculate the pH at the following volumes of added acid: Va = 0, 12.0, 30.0, 0.5 Ve, Ve, and 35.0 mL.
What is the pH of a one liter mixture of .15 M nitrous acid and .20 M sodium nitrite after .020 mol of HCl have been added (no change in volume). (Ka for nitrous acid is 4.0x10^-4.
What is the balanced equation for copper (II) hydroxide + acetic acid (HC2H3O2)? and what is it's reaction, single, or double replacement.
What combination of a molecular base (that is a neutral compound, not an ion!) and a salt of the conjugate acid of that molecular base should you select to prepare a buffer solution that would maintain a pH of 9.00? For full credit, explain
at 25.0degc a sample of xe gas occupies 550 ml in a piston-cylider apparatus when the external pressure is 353 torr. at
Compare the properties of elements and compounds. Give two examples of each, including one example that exists in the human body. Explain the atomic nature of one element and one compound found in human body.
Gold has a density of 19.3g/ml .suppose you have 100.0 glonkins of gold., what volume in liters will the gold occupy.
Given N2 (g) + 3 H2 (g) ? 2 NH3 (g), which scenario will allow you to eventually reach an equilibrium mixture involving these chemicals. Place only H2 into a sealed vessel.
If you have 100.0fl of 0.0430uM (alpha)-synuclein solution and 0.0400mg of PC, what is the limiting reactant in the tubule forming the reaction? (760.08106g/1mol PC) (15,400g/1mol(alpha)-synuclein). Want an answer
If the formation of a Grignard synthesis does not begin spontaneously when Mg metal and a solution of an alkyl halide in either are mixed, one sometimes adds a small amount of iodine to the flask. What substance is formed from the reaction of iodi..
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