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A portable electric water heater transfers 255 watts (W) of power to 5.5 L of water, where 1 W = 1 J/s. How much time (in minutes) will it take to heat the 5.5 L of water from 24 degrees C to 41 degress C? (Assume that the water has a density of 1.0 g/mL
Describe how this observation is consistent with the law of conservation of charge.
What property of the atom did Moseley associate with the wavelength of X-rays emitted from an element in his experiments?
The water level in the Carbon dioxide collection cylinder is higher than the water(H2O) level outside the cylinder.Is the wet carbon dioxide gas pressure greater or less than atmospheric pressure.
A gas mixture being used to simulate the atmosphere of another planet consists of 319 mg of methane, 171 mg of argon, and 212 mg of nitrogen
Phosphorous acid, is an important compound in industry and agriculture, H3PO3(aq), is a diprotic oxyacid .determine the pH for each of the following points in the titration of 50.0 mL of a 1.5 M H3PO3(aq) with 1.5 M KOH(aq).
Identify the largest heat of combustion, small heat of combustion and highest boiling point for: heptane(i), 3-methylhexane(ii), nonane(iii)
3.5 g of a hydrocarbon fuel is burned in a vessel that contains 250. grams of water initially at 25.00 C. After the combustion,the temperature of the water is 26.55 C.
If 159 of wet is collected over water at 24 and a barometric pressure of 737 , how many grams of have been consumed.
A compound of molecular weight 280 g/mol a concentration of 15.0 micrograms per ml absorbs 65 percent of radiation at a certain wavelength in a 2 cm cell.
Predict the products when cyclohexanol is heated in the presence of H+. Show both the organic product and the byproduct
if you burn 51.8 g of hydrogen and produce 463g of water, how much oxygen reacted?
The volume of a sample of gas, initially at 25oC, increase from 158 ml to 450 ml. What is the final temperature (C) if the pressure in the container is kept constant.
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