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Determine two aqueous solutions one of sucrose and the other of nitric acid. Both solutions freeze at -1.5 degree Celsius. Explain what other properties these solutions have in common
If 122 mL of a 1.2 M glucose solution is diluted to 550.0 mL, what is the molarity of the diluted solution?
The collision (frequency) factor remains the same, by how much an enzyme lower the activation energy of the reaction in order to achive 1 x 10 ^5 fold increase in the reaction rate
A 1g sample of carbon obtain from material found in a ancient site gave 7900 carbon-14 disentegrations in a 20-hour period. In the same amount of time 1g of carbon from a source found yesterday under went 18,400 disintegrations.
if you have 380.00 ml of water at 25.00 degrees celcius.and add 130 ml of water at 95.00 degrees celcius, what is the final temperature of the mixture?
When ethyl benzoate is heated in methanol containing a small amount of HCl, methyl benzoate is formed. Draw structural formulas for the first two intermediates in this reaction.
calculate the equivanent weight of the acid. (B) How many moles of protons were titrated? (C) How many moles of H3PO4 were titrated? (D) How many grams of H3PO4 were titrated?
59.0 ml of a solution of 1.70 m is diluted to a volume of 288 ml. determine the final concentration if a 144-ml portion
A 50.0mL sample of 0.120 M HBr is titrated with 0.240 M NaOH. Compute the pH after the addition of the following volumes of base.
The standard cell potential (E°) of a voltaic cell constructed using the cell reaction below is 0.76 V: Zn (s) + 2H+ (aq) ? Zn2+ (aq) + H2 (g) With PH2 = 1.0 atm and [Zn2+] = 1.0 M, the cell potential is 0.42 V. The concentration of H+ in the cath..
Draw the most stable chair conformation for (1S,3S)-1-chloro-3-ethylcyclohexane. Please explain your answer.
if 2.3g of sodium reacted with 1.8 of water what would be the total mass of sodium hydroxide and hydrogen
draw a dot and cross diagram to show the bonding in ch2f2. your diagram only needs to show the outer shell
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