01/04/21

If the perimeter is 28 meters and the area is 24 square meters what is the length and width of the rectangle?
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01/04/21

If 28 moles of Chlorine gas reacted with Aluminum, the product would be Aluminum Chloride. How many moles of Aluminum would be needed to make this reaction work?
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01/04/21

In the Haber process, 14g of Nitrogen gas reacts with Hydrogen gas to produce Ammonia, NH3. How many grams of Ammonia will be made?

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01/04/21

true or false the energy within an electron shell increases as n decreases
is this more true or fasle
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01/04/21

Chemistry (Mass)
The daily recommended intake of calcium for adolescent females is approximately 1.10 g.  b)  Each tablet of calcium citrate contains 4.57 X 10-3 mol calcium citrate. How many tablets would an... more
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12/31/20

Find R: (-5,2) (r, -3); m= -10. Please respond quick.
Find the Value of R with the two given points and M= -10. please respond ASAP.
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12/30/20

hello! got some chemistry questions i need help on
How many atoms of chlorine are in 40 g of CCl4? How many moles of CO2 are there if a sample of CO2 has 5.0x1023 atoms of oxygen?
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12/30/20

This questions are about Moles.

a. A mole represents how many particles? b. What is another name for this quantity?c. I know the mass of a given substance. I need to convert that mass to moles. What is the conversion ... more
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12/30/20

given the values of sin θ, determine the values of θ over the interval [0,2π]
a) -1/2 b) 1/√2
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12/30/20

Confusing arithmetic math help.
A garrison of 500 men had provisions for 27 days. After 3 days a reinforcement of 300 men arrived. For how many more days will the remaining food last?
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12/30/20

Basic Arithmetic Help, Price calculation.
You can buy 5 more extra books with $ 75, due to a reduction of price by 20%. What is the original and current price of one book?
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12/29/20

I need help with maths transposition
Use transposition to make x the subject in the equation:ax+3=bx+c
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12/17/20

I've been trying to find help for the longest

Amelia has a rectangular table that measures 4 feet wide and 5 feet long. She rotates the table 90∘ clockwise so that it fits better in the room. What is the LENGTH in feet of the table after the... more
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12/12/20

Determine whether the cell for the given reaction is galvanic or electrolytic

Determine whether the cell for the given reaction is galvanic or electrolyticA. Cr3^+ (aq) + CO (s) -> Cr^2+ (aq) + CO^2+ (aq)B. Ca (s) + Cl2 (g) -> Ca^2+ (aq) + Cl^- (aq) C. Cd(s) + Ni^2+... more
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