Determine the mass of crate
A 32 N force, parallel to the incline, is needed to push a certain crate at constant velocity up a frictionless incline which is 30 degrees over the horizontal. Determine the mass of crate?
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On average, what value is expected for t statistic when the null hypothesis is true?
Discuss why p-nitro phenol is a stronger acid than the phenol itself. Would p-methoxyphenol be a stronger or weaker acid than phenol? Explain.
If it took 7.85 of a.102 M H2SO4 to reach the equivalence point, given a 10.0 mL sample of an unknown Ba (OH)2 solution.
Calculate the molecular formula for this compound. Determine the numbers of moles of hydrogen atoms are in one mole of molecules (or equivalently discuss how many hydrogen atoms are in one molecule)?
A 0.1247 g sample of ascorbic acid, Vitamin C, was burned in a carbon-hydrogen combustion apparatus to form the 0.0510 g of water and 0.1869 g of carbon dioxide.
Explain what is meant by the polarity of molecules? Explain what causes differences in polarity? Illustrate the structural formula of isopropyl alcohol. Discuss how it differs in polarity from the water.
By using 2.30 x 10^17 kg/m3 as the density of nuclear matter, determine the radius of a sphere of such matter which would encompass a mass equivalent to that of Earth. Earth consists of a mass equivalent to 5.98 x 1024 kg and average radius of aro
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How do you usually help parents shift their perspective when they expect more academic style activities at this age?
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