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Predict whether a precipitation reaction will occur when aqueous solutions of the following substances are mixed:
a) MnCl2 + Na2S
b) HNO3 + CuSO4
c) Hg(NO3)2 + Na3PO4
d) Ba(NO3)2 + KOH
if a 210 mg piece of gold density 19.32 gcm3 is hammered into a sheet measuring 2.5 x 1.0 ft what is the average
When multiple isoprene units are combined in the metabolic process they may lose their double bonds, but the branching is fairly characteristic of the group. How many isoprene units were incorporated in the following structure
The vapor pressure of water at this temp is 22.4 torr. How many grams of each product were formed and how many grams of 2-heptene and oxygen did you start? R= 0.0820578 L*atm/K*mol.
liquid nitrogen has a density of 0.807 g/ml at -195.8 C, if 1.00 L of N2 is allowed to warm to 25 C at a pressure
Given the following equation,determine the rate of a reaction with respect to (NICk).if the rate of Cl2 loss is 4.84 *10 raised to -2 m/s, what is the rate of formation of (NOCl)
what do the bond angles of water suggest about the hybridization state of the oxygen atom of water?
use the appropriate relationships from the chapter of electrons in Atoms to determine the wavelength of the line in the emission spectrum of He+ produced by an electron transition from n=5 to n=2
ethanec2h6burns in oxygena. what are the products of the reaction?c. what mass of o2in grams is required for complete
Breathalyzers determine the alcohol content in a person's breath by the following (unbalanced) redox reaction:
What is the pH of a solution obtained by mixing 139 mL of KOH with a pH of 12.66 and 293 mL of Ba(OH)2 with a pH of 11.79. Assume that volumes are additive.
The cobalt(II) ion, Co^(2+), is especially responsive to magnetic fields, more so that Co^(1+) and Co^(3+). Why
The electrolysis of molten A12O3 at 980 ºC is used to produce metallic aluminum. A current of 520 A is used in the electrolysis cell. What is the rate of formation of aluminum
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