I don't have many points but ill give what i can and brainliest answer
1. How many molec...
I don't have many points but ill give what i can and brainliest answer
1. How many molecules are 1.14 mol of SO3?
2. 6.022 x 1023 R. P. is number.
3. How many atoms are in 6.755 mol of Pb?
4. What is the mass, in grams, of 1.50 mol Li?
5. Calculate the number of representative particles of 3.02 mol of Tin.
6. What is the molar mass for Na2SO4? (molar mass of Sodium 22.99g, S 32.07g O 16.00g)
7. Choose the correct term to describe MgSO4.
a. atom b. molecule c. formula unit d. ion
Bonus
List the p+, n, & e- for Potassium-40.
Answers: 2
Chemistry, 22.06.2019 02:10
When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (δch< (c14h10,s)=–7061 kj mol−1.)
Answers: 3
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Joan writes four numbers on the board in standard form, and then she writes their scientific notation
Answers: 1
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The reactions of photosynthesis occur in the of plant cell? a.mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll
Answers: 1
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When the ionic compound nabr dissolves in water, br– ions are pulled into solution by the attraction between what two particles? a. the na+ and br– ions b. the na+ ion and the negative end of a water molecule c. the br– ion and the positive end of a water molecule d. the br– ion and the negative end of a water molecule
Answers: 1
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