Explain hydrogen peroxide usually comes commercially
Hydrogen peroxide usually comes commercially as a 30% (w/v) aqueous solution, with a density of 1.106 g/ml. calculate the volume of the 30% solution one would need to make 50 ml of 4.0 M H2O2 solution.
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At 30 km above the surface of the earth, the temperature is about 230. K, and the partial pressure of oxygen is about 1.0x10^-3 atm. Estimate the partial pressure of ozone in equilibrium with oxygen at 30 km above the earth's surface.
Calculate the number of grams of propane (C3H8) required to heat all of the water in a 50-gallon hot-water tank from 23.4 degrees C to 65.0 degrees C if the water tank itself has a heat capacity of 23.4J/ degrees C, and it also uses 2.3 kg of copp
What is the symbol equation for incomplete combustion of ethane and what is the symbol equation for the complete combustion of ethane?
The ends of a length of wire are labeleda and b. If the current in the wire is iab = -3A, are electrons moving toward a or b? How much charge passes through a cross section of the wire in 3 seconds?
A ball is thrown vertically up with a velocity of 91 ft/sec at the edge of a 190-ft cliff. Calculate (a) the height h to which the ball rises and (b) the total time t after release for the ball to reach the bottom of the cliff.
A large flask with a volume of 936 mL is evacuated and found to have a mass of 134.66g. It is then filled to a pressure of 0.967atm at 31 degrees C with a gas of unknown molar mass and then reweighed to give a new mass of 153.81g. What is the mola
The input audio frequency range is f 0, 3.5] kHz.The ADC operates at the programmable sample rate of fs = n8kHz, n an integer.c) You decide to place an ideal analog lowpass anti-aliasing filter in front of the ADC. What should be the filter's
What are some of the advantages and disadvantages of this type of solar-thermal "power"?
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What is another way to say ". It is important to ensure that the youth understand what the study involves, what their participation entails
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