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Question- An office heater puts out 2010 Btus (British thermal units) of energy in the form of heat per hour. Given that 1 Btu = 1.055 kJ, how many megajoules of energy in the form of heat can be produced per year (365 days) by the heater (assume continuous operation)?
Please give an idea about how you obtained the answer
Given an unknown monoprotic(one hydrogen) acid. Make a 100 mL solution with 20% by volume. (mix 20 mL acid with 80 mL water) and titrate with NaOH. You must find the concentration of it the weak acid.
To determine the volume of a cube, a student measures one of the dimensions of the cube several times. If the true dimension of the cube is 10.62 cm, give an example of one set of measurements that would illustrate the following:
What is the theoretical yield of PH3, when 150 g of Na3P is mixed with 250 grams of water? If the actual yield is 30 g, what is the % yield?
An automobile gasoline tank holds 36 kg of gasoline. When the gasoline burns, 95 kg of oxygen is consumed, and carbon dioxide and water are produced.
The normal boiling point of methanol is 64.7°C. A solution containing a nonvolatile solute dissolved in methanol has a vapor pressure of 710.0 torr at 64.7°C. What is the mole fraction of methanol in this solution?
Should you install a solar water heater? The average home has a 200 liter hot-water tank, which is effectively drained and replenished three times per day.
determined the percent Co by converting your product into a blue-violet colored Co complex and measuring the absorbance in the Spec 20 instrument. What is the formula of this blue-violet complex?
a 100.0-l flask contains a mixture of no2 gas and co gas. if the concentration of no2 is 5.5 times 105 ppm and the
What is effective diffusion coefficient of CH4 in the nanochannel at the feed gas conditions? Is Knudsen diffusion important?
The titration involves the formation of a stable, neutral complex: Hg2+ (aq) + 2 SCN- (aq) = Hg(SCN)2 (aq) A)How many mmoles of mercury are in the sample
a small bubble rises from the botton of a lake where the temperature and pressure are 4c and 3.0 atm to the waters
Problem- A zinc bar weighing 3.0 kg is attached to a buried iron pipe to protect the pipe from corrosion. An average current of 0.020 A fows between the bar and the pipe. How many years will be required for the zinc bar to be entirely consumed
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