subject
Chemistry, 06.05.2020 23:19 alanis337455p4xzek

Calculate the heat needed to increase the temperature of 100. g water from 45.7 C to 103.5 C.

ΔHvaporization= 2260 J/g
Ch2o=1.90 J/g (gas)
Ch2o=4.18 J/g C (liquid)

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 22.06.2019 02:00
What is the number of atoms in 3.54 mol s
Answers: 1
question
Chemistry, 22.06.2019 02:30
24 points and brainliest to anyone who can answer under 10 minutes with best ! the table below shows the role of different substances during photosynthesis. substance role during photosynthesis glucose stores chemical energy water combines with glucose to form carbon dioxide chlorophyll traps sunlight which of the following statements would correct one of the roles listed in the table? glucose combines with carbon to form water. chlorophyll reacts with light to produce carbon dioxide. water combines with carbon dioxide during photosynthesis. chlorophyll stores chemical energy needed for photosynthesis.
Answers: 1
question
Chemistry, 22.06.2019 05:30
A3.37-mg sample of protein was chemically digested to convert its nitrogen into ammonia and then diluted to 100.0 ml. then 10.0 ml of this solution was placed in a 50-ml volumetric flask and treated with 5 ml of phenol solution plus 2 ml of sodium hypochlorite solution. the sample was diluted to 50.0 ml, and the absorbance at 625 nm was measured in a 1.00-cm cuvette and found to be 0.486. for reference, a standard solution was prepared from 10.0 mg of nh4cl (molar mass = 53.49 grams/mole) dissolved in 1.00 l of water. then 10.0 ml of this standard was placed in a 50-ml volumetric flask, treated in the same manner as the unknown, and the absorbance found to be 0.323. finally, a reagent blank was prepared using distilled water in place of unknown, it was treated in the same manner as the unknown, and the absorbance found to be 0.076. calculate the weight percent of nitrogen in the protein.
Answers: 1
question
Chemistry, 22.06.2019 13:30
Some animals that try to adapt to climate changes eventually die due to starvation, as climate change alters the web.
Answers: 2
You know the right answer?
Calculate the heat needed to increase the temperature of 100. g water from 45.7 C to 103.5 C.
...
Questions
question
History, 21.01.2021 08:10
question
Mathematics, 21.01.2021 08:10