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Which is the Alkali metal used in photovoltaic cell? Name it
Use Le Chatelier's principle to explain the color change which you observed after the addition of distilled water to the equilibrium mixture above.
Erythrocytes phosphorylate glucose to glucose 6-phosphate with the help of the enzyme hexokinase instead of glucokinase. Hexokinase has a Km = 0.04 mM.
The world record for lowest pressure (at sea level) was 652.5 mmHg recorded inside Typhoon Tip on October 12, 1979, in the Western Pacific Ocean. Convert this pressure to a. torr b. atm c. in Hg d. psi
The volume of a sample of ideal gas at 25 degrees celius is 372 mL. what will be the volume of the gas if it is heated at constant pressure to 50 degrees celius? what will the volume fo the gas be if it is cooled to -272 degrees celius.
Super-green is an indicator with a Ka of 1.6 × 10-7. The acid form is yellow and the base form is blue. Awesome-orange is an indicator with a Ka of 5.0 × 10-5.
How do soaps work, chemically speaking? Describe their chemical properties and give an example (including chemical formula) of a particular soap.
what nucleophile could be used to react with butyl iodide to prepare the following compound? if your answer is a metal
When 1.0g of snack cake is combusted in a constant-pressure bomb calorimeter with a heat capacity (including its water) of 10.0 kj/c, the temperature of the calorimeter rises by 2.24 c. How many nutritional calories (Calories) are in one serving (..
A sample of concrete contains cement, gravel, crushed rocks, sand, and water. Each of these contains different metals and minerals and hence has different colors and different properties. Which term or terms could be used to describe this sample o..
During the expansion of 0.9704 mole of CO2 gas, the pressure decreased from 2.304 atm to 1.0 atm. What was the DS (J/K) of the process?
In the following compound [CoCl(NH3)4(H2O)]SO4, write the formula and charge(if applicable) for: a) the ligands b) the complex c) the coordination sphere
A certain solid metallic element has a density 7.87 g/cm3 and a molar mass of 55.85 g/mol. It crystallizes with a cubic unit cell, with an edge length of 286.7 pm. calculate the number of atoms per unit cell.
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