04/08/20

Chemistry question
A 1.75 g sample of an unknown gas at 47 ∘C and 1.05 atm is stored in a 2.15 L flask.What is the density of the gas? (g/L)What is the molar mass of the gas? (g/mol)
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04/07/20

How much methanol, in grams, must be burned to produce 767 kJ of heat?
When methanol, CH3OH, is burned in the presence of oxygen gas, O2, a large amount of heat energy is released. For this reason, it is often used as a fuel in high performance racing cars. The... more
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04/07/20

Chemistry Question
If 81.5 mol of an ideal gas occupies 45.5 L at 45.00∘C, what is the pressure of the gas? The answer is in atm units.
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02/11/20

Im so confused idk how to put it together
Boat rentals. boat rentals charge 350 for the first two hours and $50 for each additional half hour. if you budgeted at most $600 to rent the boat, how many additional half hours can you rent the... more
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09/17/19

The volume of Neptune is on the order of 10^23 m^3 (a) What is this in cubic kilometers (km^3)? (b) What is it in cubic miles (mi^3)? (c) What is it in cubic centimeters (cm^3)?
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08/16/19

Math Problem Help
Martina invested her savings in two investment funds. The amount she invested in Fund A was $4000 less than the amount she invested in Fund B. Fund A returned a 2% profit and Fund B returned a 8%... more
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08/15/19

One side of a rectangle is 7 more than the other. If you increase the smaller side by 8, and triple the longer side, find the perimeter of the new rectangle.

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07/20/19

Why do the supreme court justices have a life term period?
The justices of the Supreme Court of the United States is composed by chief justices which have a life-term period on that position after they are "elected".I have always asked to myself why some... more
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07/14/19

Jim can read 7 pages in 10 mins . How many pages will he read in 15 mins if he reads at the same pace ?
I study in class 7 . Im not getting this pls help ne tommorow is my exam
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06/05/19

Is there any evidence for the claim that the moon was once part of the Earth?
There is a hypothesis that says a part of the Earth was split away and became the Moon.Is there any scientific evidence for this claim?
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05/24/19

anna deposited $76 in her checking acount. this tripled the amount she had in her account. how much did she have in checking before the deposit
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05/22/19

Devon drove at the same speed for 4 hours . He drove a total of 120 miles . How many miles did Devon drive in 1 hour ? Please I need answers quick 😉
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05/22/19

9/10 divided by -3/5
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05/22/19

Simplifying ratios
What is 52:78 inits simplistic form
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05/22/19

a new high definition tv is on sale for $240, reduced 25% from its original price. What was the original price?
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05/22/19

A retailer paid $33.00 for a lamp. What price should she sell the lamp for if she wants to make a 35% profit?
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05/22/19

the sum of two numbers is 19 and their differnce is 7 what are the two numbers
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05/22/19

Earl runs 70 meters in 20 seconds. How many meters does Earl run per second
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05/22/19

Libby needs to cut pieces of oak molding that are 3/4 yard long. She has 2 yards of oak molding. How many pieces can she cut? How much molding will be left over?
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05/21/19

A scale drawing of the Miami heats practice court is 1cm: 3ft. If the actual court measures 50 feet long, what is the length on the scale drawing
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05/21/19

The Atlantic Ocean is 2.78 × 104 feet deep at it's lowest point. If a scuba diver dives 1 50 of the total depth of the ocean, enter how many feet he dove down.

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05/20/19

Whats the answer
One car traveled 248 miles and drove 5 mph hour slower than a second car which drove 268 miles. If the cars were traveling for the same time, how fast was each car traveling?
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05/20/19

Three times the sum of half Carlita's age and 3 is at least 12. What values represent Carlita's possible age? Graph the solution.
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05/20/19

1/4 y + 1/12 + 2-1 3/4 y/12
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05/20/19

If the daily wage keeps doubling, what will your total income be for working 31 days? (Help pls:)) )
Suppose you go to a company that pays 0.05 for the first day, 0.1 for the second day, 0.2 for the third day and so on. If the daily wage keeps doubling, what will your total income be for working... more
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