subject
Chemistry, 19.09.2020 01:01 Kennedy3449

At room temperature 20 Celsius and object had a mass of 25g and displaces 15 mL water in a cylinder. what is it’s density? If the object was cooled to point where it had only half of its original thermal energy. What would be it’s temperature in Kelvin and Celsius?

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 21.06.2019 17:30
Aspirin has a density of 1.40 g/cm3 what is the volume in cubic centimeters of a tablet weighing 320 mg ?
Answers: 1
question
Chemistry, 22.06.2019 04:00
Gymnast always perform on padded mats. how does the mats protect the gymnast
Answers: 2
question
Chemistry, 22.06.2019 18:10
Given the following at 25c calculate delta hf for hcn (g) at 25c. 2nh3 (g) +3o2 (g) + 2ch4 (g) > 2hcn (g) + 6h2o (g) delta h rxn= -870.8 kj. delta hf=-80.3 kj/mol for nh3 (g), -74.6 kj/mol for ch4, and -241.8 kj/mol for h2o (g)
Answers: 1
question
Chemistry, 22.06.2019 21:30
Plzz a sample of table sugar (sucrose, c12h22o11) has a mass of 7.801 g. ● a) calculate the number of moles of c12h22o11 in the sample b) calculate the number of moles of each element in c12h22o11 (number of moles of c, number of moles of h & number of moles of o) in the sample. (use your answer from part a as your starting point.) show your work and highlight your final answer. calculate the number of atoms of each element in c12h22o11 (number of atoms of c, number of atoms of h & number of atoms of o) in the sample. (use your answers from part b as your starting for each element.) show your work and highlight your final answer.
Answers: 1
You know the right answer?
At room temperature 20 Celsius and object had a mass of 25g and displaces 15 mL water in a cylinder....
Questions
question
Mathematics, 25.01.2021 17:30
question
Mathematics, 25.01.2021 17:30
question
Health, 25.01.2021 17:30
Questions on the website: 13722360