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A 32.5-g cube of aluminum initially at 45.8 degree C is submerged in 105.3-g of water at 15.4 degree C. What is the final temperature of both substances at thermal equilibrium? (Assume that the aluminum and the water are thermally isolated from everything else.)
Problem- Calculate the value of the equilibrium constant for the balanced net ionic equation for CH3COOH(aq) + OH^- ---> CH3COO^- + H2O
a 245 ml stock solution contains 0.9 m cacn2. when 105 ml of the stock solution is diluted to 125 ml how many moles of
A mixture of 0.144 moles of C is reacted with 0.117 moles of O2 in a sealed, 10.0 L vessel at 500 K, producing a mixture of CO and CO2 (see reaction below). The total pressure is 0.6770 atm. What is the partial pressure of CO?
What is the pH at the equivalence point of a weak base-strong acid titration if 20.00 mL of NaOCl requires 28.30 mL of 0.50 M HCl? Ka = 3.0 × 10-8 for HOCl.
What are the factors that can influence the rate of a chemical reaction? 2- Why do the rates of most chemical reactions slow down over time?
The hydroxyl radical, OH, is important not only in atmospheric chemistry but also in cell biology, as it participates in biochemical reactions as a free radical.
A gas evolved during the fermentation of sugar was collected at 22.5 degrees celsuis and 702 mmHg. After purification its volume was found to be 25.0 L. How many moles of gas were collected?
sodium bicarbonate is reacted with concentrated hydrochloric acid at 37.0degc and 1.00 atm. the reaction of 6.00 kg of
there are some given substances likenbsp kohnabr crpo4 rbcl pboh2 lino3nbspnbsp you just need to find out which
Ammonia is produced by reacting nitrogen gas and hydrogen gas. N2(g) + 3H2(g) 2NH3(g) + 92kJ. for each of the following changes at equilibrium, indicate whether the equilibrium shifts toward product or reactants or does not shift
how many millicuries of radioactivity are associated with a sample containing 5.10 mg th mass number of 229 which has a
Plot boiling point (BP) (y-axis) versus molecular weight (MW) (x-axis) for the first four compounds listed in the table below. Why Water and Ethanol are not on a straight line like the other substances
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