5.00 grams of sodium hydroxide was placed in 100.0 grams of water in a coffee cup calorimeter. The temperature of the water increased from 25.0 deg C to 35.2 deg C. Find the heat of solution (ÎHsoln) for sodium hydroxide in kJ/mol. (Specific heat of water = 4.184J/g degC)?
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Chemistry, 21.06.2019 19:00
Y=â1x + 7 if y has a value of â24 what is the value of x?
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Chemistry, 22.06.2019 16:00
Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules
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Chemistry, 22.06.2019 18:00
Answer asap need it by wednesday morning carry out the following calculations on ph and ka of from data. i. calculate the ph of 0.02m hcl ii. calculate the ph of 0.036m naoh iii. calculate the ph of 0.36m ca(oh)2 iv. calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 v. calculate ka for weak acid ha which has a ph of 3.65 at 0.30m concentration vi. calculate the ka of a solution made by mixing 15.0 cm3 0.2m ha and 60.0 cm3 0.31m a-. [ph= 3.80] vii. calculate the ph of a solution made by mixing 15.0 cm3 0.1m naoh and 35.0 cm3 0.2m hcooh. [ka = 1.82 x 10-4 m]
Answers: 1
5.00 grams of sodium hydroxide was placed in 100.0 grams of water in a coffee cup calorimeter. The t...
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