What is the new boiling point point of water
What is the new boiling point point of water if you add 188 grams of magnesium chloride to 1250 g of water?
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What is the mass of 1 magnesium is 1.04 grams/m length of magnesium ribbon used was 2 cm volume gas collected was 42.9 ml room temperature 23.5 *c room pressure761.75mmHg vaper presure of water 21.75 ml hg
You are given 25 mL of 0.189438 M sodium acetate (NaC2H3O2) which has a pKb of 9.25 and are asked to titrate 0.2 M HCl into the solution. How many liters of HCl is needed to completely neutralize the base? What is the final pH of the solution?
Calculate the amount of energy in kilojoules needed to change 423g of water ice at -10 deg c to steam at 125 deg c .
Fireflies flash at a rate that depends on temperature. At 29o C the average rate is 3.3 flashes every 10 seconds; at 23oC the average rate falls to 2.7 flashes every 10 seconds. Calculate the activation energy for the flashing process.
The total expenditure for health services in 2007 was 83 times the total expenditure in 1960, increasing from $26.9 billion to $2.2 trillion. What factors account for this increase? How much did each factor contribute to this increase?
in order to change the volume of an 800ml sample of a gas 274k to 400ml, what temperature (in celsius) must be reached, assuming the pressure is kept constant?
Calculate the pH of a solution made by adding 67 g of sodium acetate, NaCH3COO, to 37 g of acetic acid, CH3COOH, and dissolving in water to make 300. mL of solution .
Explain how music and culture influence one another. Provide an example of a song or album that affected culture. Provide examples of songs with cultural references.
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