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Question - How much heat (in kJ) is required to warm 13.0g of ice, initially at -11.0?C, to steam at 110.0?C? The heat capacity of ice is 2.09 J/g??C and that of steam is 2.01 J/g??C
Give your respond in scientific notation please provide detail solution for good grades
A solution of ammonia and water contains 4.20×10^25 water molecules and 6.90×10^24 ammonia molecules. How many total hydrogen atoms are in this solution?
A compound's 13C NMR spectrum shows a resonance at 176 and 85 ppm. What possible structural subunit does the compound contain
write a chemical equation for the oxidation of ethane gas to form water vapor and carbon dioxde gas. define this as the
Tartaric acid is dissolved into distilled water and then diaminocyclohexane is added. What sort of reaction is taking place between tartaric acid and a-methylbenzylamine
2816 g sample of KHP required 29.68 ml of sodium hydroxide to reach the phenolphthalein point. calculate the molarity of the NaOh solution.
ammonia gas is synthesized according to the balanced equation below.n2g 3 h2g -gt 2 nh3gif 2.50 l n2 react with 7.00 l
While a solution containing 1.4g of Ba(NO3)2 as well as 2.4g of NH2SO3H is boiled, a precipitate forms. This precipitate may be Ba(NH2SO3)2, BaSO4, or Ba(NH2)2. Determine these products in the reactions whose equations you balanced in the first qu..
What is the overall reaction rate order of the reaction in (2)? What is the difference between the (1) and (4)?
Into a 50.00mL volumetric flasks were pipetted 10.mL aliquots of a natural water sample. Exactly 0.00, 5.00, 10.00, 15.00 and 20.00mL of standard addition solution containing 11.1 pp of Fe were added to each, followed by an excess of thiocyanate i..
You needs to prepare 230 ml of 0.41 M HI. You have a 6.7 M stock solution of hydroiodic acid. How many mL of the stock solution will you need
How many moles of NaBrO should be added to 1 l of 0.200 M hypobromous (HBrO) acid to obtain a buffer of pH 8.80 (assume no volume change occurs when solid NaBrO is added)? The pka of the acid is 8.70.
Which of the following is NOT part of the Kinetic Molecular Theory? A) Gas particles do not repel each other. B) There is a large distance between gas particles as compared to their relative size.
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