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A large research balloon containing 2.00 × 10^3 m^3 of helium gas at 1.00 atm and a temperature of 15.0°C rises rapidly from ground level to an altitude at which the atmospheric pressure is only 0.900
answered
Jun 19, 2021
Physics
college
1
vote
178k
views
The vapor pressure of diethyl ether (ether) is 463.6 mm Hg at 25 °C. How many grams of aspirin , C9H8O4, a nonvolatile, nonelectrolyte (MW = 180.1 g/mol), must be added to 219.0 grams of diethyl ether
answered
Jun 12, 2021
Chemistry
college
4
votes
16.7k
views
A bag contains tiles with the letters p -r-o-b-a-b-i-l-i-t-y Tyler chooses a tile without looking and doesn't replace it he chooses a second tile without looking what is the probability that he will choose
answered
Apr 30, 2021
Mathematics
middle-school
5
votes
22.0k
views
13x-7+7x-13=180 whats the answer?
answered
Apr 19, 2021
Mathematics
high-school
3
votes
112k
views
Which of the following famous people was not mentioned in the article as someone who used journaling? *
answered
Mar 12, 2021
Health
high-school
0
votes
202k
views
2/8+3/7+4/9=whats the sum of this
answered
Mar 9, 2021
Mathematics
high-school
4
votes
131k
views
Tests designed to measure such mental abilities as verbal skills, quantitative skills, and reasoning ability are referred to as ________ tests.
answered
Feb 14, 2021
Social Studies
high-school
4
votes
21.3k
views
If t = -3, then 3t2 +5t+6 equals
answered
Jan 2, 2021
Mathematics
middle-school
6
votes
140k
views
A rectangular prism with a volume of 5 cubic units is filled with cubes with side length of 1/3 unit. How many 1/3 unit cubes does it take to fill the prism? Hurry and answer!
answered
Oct 19, 2020
Mathematics
middle-school
6
votes
138k
views
The expression 2(l + w) is used to calculate the perimeter of a rectangle, where l is length and w is width. If the length is Fraction 2 over 7 unit and the width is Fraction 3 over 7 unit, what is the
answered
Oct 6, 2020
Mathematics
middle-school
4
votes
4.9k
views
What is the best way to make a microscopic comparison of paint chips
answered
May 19, 2020
Physics
high-school
5
votes
56.9k
views
How did Brown II affect the ruling in Brown v. Board of Education?
answered
Dec 17, 2019
History
college
1
vote
40.9k
views
There are 6 buses parked in a lot. Each bus needs 3 1/3 quarts of oil. How much oil is needed by all the buses? Plz answer now!
answered
Nov 28, 2019
Mathematics
high-school
3
votes
160k
views
The mass of car 2 is twice the mass of car 1. If both cars have the same velocity, how does the kinetic energy of car 2 compare to car 1? Car 2 has four times the kinetic energy. Car 2 has twice the kinetic
answered
Jul 16, 2019
Physics
college
3
votes
78.1k
views
Inflation that is sudden or unexpected tends to hurt which of these groups of people MOST? A) people who have a steady job B) people who have borrowed money C) people who have loaned money to others D)
answered
May 25, 2019
Social Studies
high-school
2
votes
115k
views
Plants are eaten by grasshoppers, which are eaten by mice, which are eaten by snakes. What will happen to the other members of the food chain if the grasshoppers are removed?
answered
Jan 6, 2019
Biology
middle-school
7
votes
72.4k
views
How does lack of sleep affect risk of injury? A. It interferes with hearing. B. It causes distractions. C. It interferes with judgment. D. It causes illness.
answered
Nov 6, 2018
Health
high-school
3
votes
157k
views
Provide a description for planet revolution?
answered
Sep 6, 2018
Biology
high-school
2
votes
228k
views
Seven friends have similar cell phone plans. The price of each plan is $x. Three of the seven friends pay an extra $4 per month for unlimited text messaging. Write and simplify an expression that represents
answered
May 16, 2018
Mathematics
middle-school
4
votes
1.1k
views
Who provided funding for the Roanoke settlement? A. The London Company B. The Queen of England C. The settlers of Roanoke D. Sir Walter Raleigh
answered
Apr 21, 2018
History
college
4
votes
77.8k
views
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