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A 4.5 g nugget of gold absorbed 276 j of heat. What was the final temperature of the gold if the initial temperature was 25 OC ? The specific heat of gold is 0.129 j/g OC.
However, if you treat formaldehyde (CH2O) with potassium cyanide in water, you will not produce the cyanohydrin. You may even produce C3H6O3 (i.e., dihydroxyacetone and glyceraldehyde). Explain this either in words or reactions.
Determine value for the rate of formation of HCl during the same interval of 3 seconds If the rate of disappearance H2 = -0.13 M/s at this specific time?
Lead has a face-centered cubic lattice with all atoms at the lattice points and a unit-cell edge length of 495.0pm its atomic mass is 207.2 amu what is the density of lead?
Analysis of two unknown organic structures, Unknown compound A (C8H12) is reacted with H2 (excess) in the presence of a palladium catalyst forming compound B (C8H16).
A mass of 2.50 g of hydrated copper(II) sulfate is placed in a crucible and heated. On heating, 1.59 g of white anhydrous copper(II) sulfate is left behind. Determine the ratio of water to copper(II) sulfate.
a solid acid is dissolved in enough water to make 200 ml of a solution. 40 ml of the solution is titrated to a phenolphthalein end point with an NaOH solution.
Calculating the concentration of the acetate ion when dissociation of acetic acid occurs in water and over varying pH conditions?
A solution has an H3O1+ concentration of 1.7 10-2 M. What is the hydroxide ion concentration?
A strip of electrolytically pure copper weighing 3.178 gram is strongly heated in a stream of oxygen until it is all converted to a black oxide. The resultant black powder weighs 3.978 g. What is the formula of the oxide?
If 18.4 mL of 0.800 M HCl solution are needed to neutralize 5.00 rm mL of a household ammonia solution, what is the molar concentration of the ammonia?
Can you please explain the molecular bonding of hydrocortisone. How many functional groups and what are they? I need the explanation of the actual chemical structure
What is the total sample size (in grams) for a sample of disulfur octoxide which contains 3.52 g of oxygen.
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