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What should be the correct weight of a salt-water solution if you have mixed exactly 100g of water and 35.9g NaCl?
If Sodium hydroxoide has a H+ of 4.2 x 10^ -10, then what is its OH- , pH, and pOH. If hydrochloric acid has a pOH of 11.5, then what is its pH, OH-, and H+. If potasssium hydroxoide has a pH of 2.5, then what is its H+, OH-, and pH
The Kw for water at 0 °C is 0.12× 10-14. Compute the pH of a neutral aqueous solution at 0 °C.
Explain how many calories are required to heat 256g of water from 20C -99C? Explain how many calories are required to heat the same mass of iron through the same range temperature
a gas mixture of 3 liter of propane ( C3H8 )and butane ( C4H10 ) on complete combustion at 25 oc produces 10 liters CO2 . Find out the composition of gas mixture.
The two chair conformations of a cis-1,2- disubstituted cyclohexane such as the one you made with models appear on superficial examination to be enantiomers. Draw the two apparent enantiomers using X as the substituent.
Write a balanced nuclear equation for the following: The nuclide bismuth-214 undergoes alpha emission to give thallium-210.
What would be the percentage error of water if the volume was 5.0 ml, Mass A of the Graduated Cylinder is 19.50, mass B.
Use the wattage of the lightbulb and the time it is on to calculate the change in energy in joules. (assume that the cylinder and lightbulb assembly is the system and assume two significant figures).
Consider the process shown in Fig. This process is used to manufacture product E from the reaction of A and B. The output from the reactor is product E.
how do you find the specific heat of platinum if 23.6 grams is heated from 10.0c to 20.0c using 30.68 J of heat.
How much bacterial tissue is produced in a treatment plant for every 1.0 multiplied by 104 kg of wastewater containing 3.0% NH4+ ions by mass?
Diamond and graphite are two crystalline forms of carbon. In which form are the bonds between the C atoms arranged at tetrahedral angles to each other? 1. diamond 2. Neither of these 3. graphite
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