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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)
answered
Dec 27, 2021
Chemistry
middle-school
3
votes
23.0k
views
HELP!! As a result of the Athenian defeat in the Peloponnesian War, A. the Spartans set out to conquer Macedonia. B. all Athenians adopted the Spartan way of life. C. the age of classical Greek culture
answered
Dec 18, 2021
History
middle-school
2
votes
55.6k
views
7 large tanks and 40 fish in each tanks how many fish on display
answered
Dec 7, 2021
Mathematics
college
4
votes
27.5k
views
Count the atoms of each element. 5(NH) P 5 10 15 20 30 40 50 60 70 Nitrogen o o O O O O o Hydrogen O O O O Phosphorus O O O O O
answered
Sep 28, 2021
Chemistry
high-school
3
votes
104k
views
Graham is hiking at an altitude of 14,040 feet and is descending 50 feet each minute. Max is hiking at an altitude of 12,500 feet and is ascending 20 feet each minute. How many minutes will it take Graham
answered
Sep 13, 2021
Mathematics
high-school
5
votes
34.2k
views
Which became the first major test of power of the national government under the U.S. Constitution?
answered
Aug 28, 2021
History
middle-school
4
votes
125k
views
6×3/16 fraction in simplest form
answered
Aug 26, 2021
Mathematics
middle-school
6
votes
63.4k
views
All else being equal, a company with a low operating leverage will have: A. relatively high contribution margin ratio. B. relatively high fixed costs. C. relatively high variable costs D. relatively high
answered
Aug 20, 2021
Business
college
0
votes
159k
views
The daily high temperatures, in degrees Celsius, for two weeks were recorded. The first week had a mean high temperature of 8 degrees Celsius and a mean absolute deviation (MAD) of 1 degree Celsius. Here
answered
Jul 24, 2021
Mathematics
high-school
4
votes
90.7k
views
Ken and Leah are doing homework and trying to solve a science problem. They must find how much a rock weighing 3 pounds on Earth would weigh on Saturn. They know they can multiply the weight on Earth by
answered
Jul 19, 2021
Mathematics
high-school
7
votes
131k
views
Find the number of grams of HCl needed to react completely with .50 moles of magnesium. Mg(s) + 2HCl(aq) --> MgCl2(aq) + H2(g)
answered
Apr 10, 2021
Chemistry
middle-school
3
votes
65.1k
views
Based on one of the triangle congruence postulates the two triangles shown are congruent
answered
Apr 9, 2021
Mathematics
high-school
2
votes
18.7k
views
What’s bigger 4,000,000 KB or 2.8 GB
answered
Mar 6, 2021
Computers and Technology
high-school
6
votes
199k
views
100 POINTS Match the vocabulary term with its meaning. 1. agrarian movement from one place to another 2. civilization all the factors influencing plant and animal life, such as climate, temperature, light,
answered
Mar 4, 2021
Social Studies
college
2
votes
6.4k
views
The president uses many formats to promote political agendas. One way is documenting ideas through signing statements. When used in connection with Congress, which description of a signing statement is
answered
Aug 31, 2020
Social Studies
high-school
3
votes
156k
views
Which line from the passage uses imagery? A. "There is no use your telling me that you are going to be good," cried Lord Henry, dipping his white fingers into a red copper bowl filled with rose-water.
answered
Jul 19, 2020
English
middle-school
4
votes
106k
views
1. Gloria Estévez y Ronaldo Marín anunciaron __. su separación su tercer aniversario el nacimiento de su hija 2. Gloria Estévez y Ronaldo Marín se conocieron __. en el Gran Teatro Nacional filmando una
answered
Mar 14, 2020
Spanish
high-school
6
votes
133k
views
Explain how earths tilt and revolution around the sun affects weather and climate
answered
Jan 19, 2020
Geography
middle-school
6
votes
138k
views
What is 35% of 51 do not round your answer Please help
answered
Aug 24, 2019
Mathematics
middle-school
5
votes
189k
views
I need help with this please
answered
Jul 30, 2019
Mathematics
middle-school
4
votes
68.5k
views
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