Chemistry
Chemistry, 30.06.2019 08:00, lalllda

Question 1 if we mixed 45cm^3 of 2m naoh with 20cm^3 of 1m hcl and obtained a temperature difference of 9.4°c, what would be the heat of reaction, the enthalpy? . question 2 if we added 10cm^3 hcl of an unknown concentration to 30cm^3 of 2m naoh and obtained a temperature change of 4.5°c and then added 20cm^3 of the same unknown acid to 30cm^3 of 2m naoh and obtained a temperature change of 9.0°c, what is the concentration of the acid? use the enthalpy value from question 1

answer
Answers: 1

Other questions on the subject: Chemistry

image
Chemistry, 22.06.2019 05:30, stellaglenn205
What reaction is taking place? 02 + c3h8 = h20 + co2
Answers: 1
image
Chemistry, 22.06.2019 13:50, hannahmyung1113
Amap that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map.
Answers: 3
image
Chemistry, 22.06.2019 15:20, merrickrittany
An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.
Answers: 1
image
Chemistry, 22.06.2019 16:00, winnie45
He table below gives the atomic mass and relative abundance values for the three isotopes of element m. relative abundance (%) atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 what is the average atomic mass (in amu) of element m? 2.86 5.36 24.30 24.98
Answers: 2
Do you know the correct answer?
Question 1 if we mixed 45cm^3 of 2m naoh with 20cm^3 of 1m hcl and obtained a temperature difference...

Questions in other subjects: