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how many grams of potassium permanganate are needed to decolorize 1 gram of 2-pentene in basic solution?
How many grams of CaCl2 would be dissolved in 1.2 L of a 0.10 M solution of CaCl2?
Monochloroacetic acid (HC2H2ClO2) is a skin irritant that is used in "chemical peels" intended to remove the top layer of dead skin from the face and ultimately improve the complexion.
Concetrated acedic acid is a Class II combustible liquid. What is the molecular weight of acetic acid that will form 2 moles of CO2 assuming complete combustion.
A piece of sodium metal reacts completely with water as follows. 2 Na(s) + 2 H2O(l) 2 NaOH(aq) + H2(g) The hydrogen gas generated is collected over water
At 0.0oC, if the volume of air is 3.4 mL and the pressure of the atmosphere that day is 695 mmHg, what is the number of moles of air?
A 1.6 g sample of a molecular compound is dissolved in 104 g of tetrachloromethane (carbon tetrachloride). The normal boiling point of the solution is 61.51degreesC, the normal boiling point of CCl4 is 61.2degreesC. The boiling point constant for ..
If 150 g of carbon reacts with 250 g Cl2 with an 85% yield, what is the mass of CCl4 produced
If the barometric pressure is 784 torr and the experiment is carried out at 25 oC, what is the pressure of the gas collected?
Which of the following compounds will produce an acidic solution when dissolved in water? What is the OH- (hydroxide ion) concentration in a solution with pOH = 2.45.
As a bromine molecule approaches perpendicular to the negatively charged pi cloud of the carbon-carbon double bond, its bonding electrons are repelled away from the bromine atom nearer the double bond
Typical rate of deposit of dust (dustfall) from unpolluted air was reported as 10 tons per square mile per month. Express this dustfall in milligrams per square meter per hour.
When calcium carbonate is added to the solution of organic acids, the following compounds form: calcium methanoate salt from the methanoic acid; calcium ethanoate from the ethanoic acid; and calcium phenoxide salt from the phenol.
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