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Calculate the specific heat capacity of a sample liquid if this 100 g sample of an unknown liquid absorbs 2000 J of heat energy, raising the liquid's temperature from 50 degree Celsius to 70 degree Celsius? No phase change took place?
Explain the use of nuclear isotope in medical field and Write a paragraph expaining what nuclear isotope can be used for medical purpose
Find the amount of known substance present in the mixture and determine the mass of calcium carbonate present in original mixture.
How do you calculate the force of water hitting a concrete cylindrical pole. The velocity of the water is 2 ft/s, the depth of the water is 10 ft, and diameter of the pole is 3 ft. So what would be the total force exerted on the pole by the water?
Compute the number of moles - As we know many volatile substances are present in Earth's atmosphere in trace amounts.
Using a sample of gas has a mass of 38.7mg. Calculate the molar mass if its volume is 228mL at a temperature of 57°C and a pressure of 832torr?
Solving this question helps the student to understand what is happening in a chemical reaction and to balance the given equation.
Compare alkalide ion with the neutral alkali atom - For a given alkali metal, how does the ionic radius of the alkalide ion compare to that of the neutral alkali metal atom? Explain using physical arguments.
A sample of 2.376 g ether (The compound known as diethyl ether [(C2H5)2O], commonly referred to as ether, contains carbon, hydrogen, and oxygen) was combusted in an oxygen rich environment to produce 2.887 g of H2O (g) and 5.643 g of CO2 (g).
Explain the type of nonrenewable energy resource used and their short-term and long-term effects on the environment
Using a sample of 0.0355 gram of an unknown molecular compound is dissolved in 1.000 g of liquid camphor at 200.0°C. Calculate the molar mass of the unknown compound if the camphor freezes at 157.7°C upon cooling.
Sketch Flow diagram and explain the extraction process - What is the purpose of extracting the organic layer with water in the first extraction step?
Write and balance the given chemical equation and Write a balanced equation for this reaction
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