Determine the specific heat of the nickel
At a temperature of 26.20 C a sample of nickel weighing 425 grams was initially. It needed the 975 Joules of heat energy to increase the temperature to 31.55 C. Calculate the specific heat of the nickel?
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Determine the maximum wavelength of a gamma ray which could break a deuteron into a proton and a neutron? (This method is termed photodisintegration.)
Determine the numbers of moles of O2 (molar mass=32.00g/mol) are required to react totally with the 52.0 L of CH4 (g) at STP to form CO2 and H2O? (Molar mass of CH4-16.04g/mol)
Calculate the molar mass of a gas which has a density of 5.75g/L at 25.0 C and 1.00 atm pressure and demonstrate the formula of the molar gas.
A solid ball and a hollow ball, each having a mass of 1.31 kg and radius 0.283 m, begin from rest and roll down a ramp of length 3.65 m at an incline of 25.7°. Determine the speed of the solid ball at the bottom of the incline?
Steel train rails are laid in the 11.5 m long segments positioned end to end. The rails are laid on a winter day if their temperature is -1.0. When the rails are originally laid in contact, determine the stress in them on a summer day when their t
Liquid octane (C8H18), (density = 0.702 g/mL) can be used as a fuel. The heat of combustion of octane is -5.45 x 103 kJ/mol. Explain how much heat energy in MJ will be released by the combustion of 1.66 L of octane forming the CO2(g) and H2
Major cracks in a highway follows an exponential distribution with a mean of 5 miles. What is the probability that there are no major cracks in two separate 5-mile stretches of the highway?
The third stick is positioned so that one end is on the x axis at x = 0.550 m, and the other end is on the y-axis at y = 0.835 m. Compute the location of the center of mass of the meter sticks. Enter the x position first, then the y position.
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When children are able to determine that the same amount of liquid is in two different sized containers, they have mastered
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The range of tasks that are too difficult for the child to master alone but that can be learned with the guidance and assistance of adults
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