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1) how many grams of glucose are needed to prepare 400 g of 2% m/m glucose solution? 2) how many moles of cacl2 are in 250 ml of a 3 m of cacl2 solution? 3) How many liters of oxygen gas form when 294 g of KClO3 completely react in the following reaction? 4) What is theangle between electron groups in the linear electron geometry?
At noon on a clear day, sunlight reaches the earth\'s surface at Madison, Wisconsin, with an average power of approximately 2.00 kJ·s-1·m-2. If the sunlight consists of photons with an average wavelength of 510.0 nm, how many photons strike a 5.40..
A student constructs a coffee cup colrimeter and places 50 ml of water into it. After a brief period of stabilization, the temp of the water in the calorimeter is 23.5 celsius
Silicon has a band gap of 1.1 eV at room temperature. What wavelength of light would a photon of this energy correspond to?
how do you find the mass of one mole of spilt pea using the mass of .069 nd Avoadro's number (6.02x1023rd).
If you have three pyruvate molecules each labeled with 14C at different positions (one is labeled at the carboxyl, one at the carbonyl, and one at the methyl), feed them sequentially to pyruvate dehydrogenase and the citric acid cycle,
If i want to make 400.00 mL of a 0.325 M KNO3 solution, and I have a 0.840 M stock solution on hand, how much of the stock solution will I need to dilute
After he cleaned up the mess, he looked around the baby's changing table for remedies for this horrible rash, but he could not find anything. As he was about to panic, he remembered some useful acid-base chemistry from a class years ago. He opened..
What is the pressure of the excess gas when the reaction is complete if 5g of H2 and 10g of O2 react in a 15L container at a constant temp of 25 degrees C? I understand
Derive an expression for (δU/δV)T for a gas that obeys the van der Waals equation of state.
what would be the effect on your calculated concentration of NaOH, if, unbeknownst to you, someone left the KHP out and it absorbed water?
Glucose oxidation has a standard enthalpy of -2803 kJ/mol. What is the total heat produced by human respiration over the course of one year
What volume of a concentrated HCl solution, which is 36.0% by mass and has a density of 1.179 g/cm3, should be used to make 5.1 L of an solution with a pH of 1.5.
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