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How much heat (in kJ) is needed when 58.9 g of water warms and boils from 47.91 degrees C to 100 degrees C
How many joules of energy are necessary to heat the steam from 100.0C to 114.0C if the specific heat of steam is 2.02 J/ g C
Calculate the quantity of NH3 is produced upon reaction of 4.0 moles of water and 65.0 g of CaCN2.
A radio station's channel, such as 100.7 FM or 92.3 FM, is actually its frequency in megahertz MHz, where 1MHz=10^6 Hz. Calculate the broadcast wavelength of the radio station 96.50 FM.
start with 4-cyclopentylphenol and react with NaOH, CH3I, NBS, heat show each step to get the final product.
Consider a saturated solution of calcium fluoride in 0.092 M potassium nitrate. Complete the following tasks, and then answer the question. a) Write the chemical equation corresponding to Ksp.
Using the Moles of HCL and the mole ratio of the balance equation calculate the moles of NaHCO3 that reacted with the HCL
Suppose that a 25-mL sample of a solution is to be tested for I- ion by addition of 1 drop (0.20 mL) of 0.27 M Pb(NO3)2. What is the minimum number of grams of I- that must be present
A block of metal has a width of 3.2 , a length of 17.1 , and height of 4.2 . Its mass is 1.5 . Calculate the density of the metal.
Calculate the pH after adding 0, 10.0, 25.0 and 30.0 mL of titrant in the titration of 50.0 mL of 0.100M NaOH with HCl 0.200 M.
Use standard enthalpies of formation to calculate the enthalpy changes in each of the following equations: A) Solid magnesium carbonate decomposes when strongly heated into solid magnesium oxide and carbon dioxide gas.
the final temperature of the cu? I tried to use Q=MS(delta)T and solve for the tinal temp instead of the change in temp but kept getting 45°c.
Examination of the product mixture revealed that only about half of the starting material had been consumed and practically no PhCOCHBrCH3 was present. Explain these observations and draw the product that did form in the reaction.
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