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Propose a mechanism for the addition of bromine and water to cyclopentene. Be sure to show how the trans product results and how both enantiomers are formed.
What volume of 0.160 M of Li2S solution is required to completely react with 125 mL of 0.160 M of Co(NO3)2
calculate q, w, and change in enthalpy for the helium in the balloon. (the molar heat capacity for helium gas is 28.8 J/ degrees C mol.)
Which of the following solutions has the highest pH at 25?C?
calculate the mass of magnesium that is required to produce 35.8ml of hydrogen gas at 28°c and a barometric pressure of 745 mmHg when collected over water?
when 7.00 moles of gas A and 3.00 moles of gas B are combined, the total pressure exerted by the gas mixture is 1.0 atm. What is the partial pressure exerted by gas a in this mixture
what is the volume of the hydrogen gas (at25oC and 100KPA) needed to produce 51.1g of ammonia?
water can react with an acid or a base to produce two different products. draw the structure of each and label products
A 322 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 635 mmHg. Calculate the moles of Ar present.
The freezing point of t-butanol is 25.50°C and Kf is 9.1°C · kg/mol. Usually t-butanol absorbs water on exposure to air. If the freezing point of a 10.2 g sample of t-butanol is 24.59°C, how many grams of water are present in the sample?
Brass is a copper and zinc alloy containing 31.8% zinc by mass and having a density of 8.73 {\rm \frac{g}{cm^3}}. A fitting composed of common brass has a total volume of 335.6 {\rm cm^3}
How much thermal energy transfer is required to vaporize 1.0 metric tone of ammonia?(1 metric ton = 10^3Kg). The delta H vaporization for ammonia is 25.1KJ/mol.
What is the de Broglie wavelength of a 11.5 g hummingbird flying at 109 mph?
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