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Explain the solubility of AgCl(s) in water at 25 degrees C is 1.33 x 10-5 mol/L and its Delta H of solution is 65.7 kJ/mol. Define what is its solubility at 42.3 degrees C?
supposed 175 mmol of NH3 and 131 mmol of O2 are added to an empty flask how mych NH3 will be in the flask at equilibrium.
A metal sample Having a temperature of 100C and a mass of 45.2 g was placed in 50 g of water with a temperature of 26C. At equilibrium, the final temperature was 32.7 C. How much Heat flowed into the water. what is the heat capacity of the metal
When ice melts, it absorbs 0.33 kJ per gram. How much ice is required to cool a 10.0 oz drink from 72 degrees celsius to 39 degrees celsius, if the heat capacity of the drink is 4.18 J/g C
question how do the units moll and ppm compare? you will be given a 100.5 ppm iron stock solution the iron is ferrous
Nitric acid is a strong acid, but nitrous acid is a weak acid. Why? A. there are more electronegative oxygen atoms bonded to the N atom
Suppose you were asked to carry out an aldol condensation reaction between benzaldehyde and 5-methylhexanal,
water softeners often replace calcium ions with in hard water with sodium ions. however the fda recommends that adults
In a certain chemical reaction, 7.29g of compound A is added to 5.70 g compound of B. Once the reaction is complete, 3.60 g of compound A and 1.17g of compound B remain. What is the mass of products was produced
A compound is found to have a molar mass of 598 g/mol. If 35.8 mg of the compound is dissolved in enough water to make 175 mL of solution at 25°C, what is the osmotic pressure of the resulting solution?
Sodium carbonate was used to precipitate silver from a solution. 6.00 grams of silver carbonate were recovered 1.500L of solution. What was the concentration in ppm of silver ions in the original solution?
The precipitate was filtered, dried, and weighed. A total of 1.55 g calcium flouride was collected. What was the percentage of CsF in the original sample.
sodium-24 is a radioistope with half life of 15 hors. a sample of pure sodium-24 has an inital mas of 400.0g. what mass
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