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djverab [1.8K]
3 years ago
5

A technical machinist is asked to build a cubical steel tank that will hold 195 L of water. Calculate in meters the smallest pos

sible inside length of the tank. Round your answer to the nearest 0.001 m.
Chemistry
1 answer:
Aleks04 [339]3 years ago
4 0

Answer:

The smallest possible inside length of the tank is 0.579 m.

Explanation:

As we know that

1 m^3 = 1000 L

Thus, volume of 195 liter tank is also equal to 0.195 cubic meter

The volume of a cube is equal to x^3, where, x is the length of the side of the cube

With the give condition,

x^ 3 = 0.195

Solving the above equation, we get -

x = (0.195)^{\frac{1}{3})}\\x = 0.579

The smallest possible inside length of the tank is 0.579 m.

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Which of the following scientists was the first to determine the
Maru [420]

Answer:

Robert Boyle

Explanation:

Robert Boyle was an Irish chemist and is famously referred to as the first modern chemist. He was born on the 25th of January, 1627 in Lismore, Ireland and died on the 31st, December 1691, London, United Kingdom.

Robert Boyle was the first to determine the relationship between the pressure and volume of a gas.

Boyles states that when the temperature of an ideal gas is kept constant, the pressure of the gas is inversely proportional to the volume occupied by the gas.

Mathematically, Boyles law is given by;

PV = K

P_{1}V_{1} = P_{2}V_{2}

Where;

V1 and V2 represents the initial and final volumes respectively.

T1 and T2 represents the initial and final temperatures respectively.

8 0
2 years ago
How many atoms of manganese are in 1.00 g?
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Answer:

\frac{1.00g}{54.9g. {mol}^{ - 1} }  =  0.0182\: mol\\  \\ 6.023 \times  {10}^{23}   \times 0.0182 \: mol  \\ = 0.109\times  {10}^{23} \: atoms

8 0
2 years ago
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Not sure how to answer this:
ahrayia [7]

Answer:

A. The red side is acidic.

B. Because it has more positive hydrogen ions.

C. The blue side is basic.

D. Because it has more negative hydroxide ion.

4 0
3 years ago
A mushroom would most likely eat
dmitriy555 [2]
Dead plants hope this helps 
5 0
3 years ago
How many moles of gas are present when you collect 35.83 mL of the gas over water at 25.3°C and 0.97 atm?
Oksana_A [137]
Use Ideal Gas equation since values are given in Pressure (P), Volume (V), Temperature (T). 
                                 P V = n R T ; n= PV / RT
You can't use 1 mole= 22.4 L equation. Temperature and pressure values are not standard. ( 1 atm, 0 

To choose the value of R ( gas constant), check out the units of other values in the equation. They are in atm,liter, kelvin, and mole.  So, its value is 0.082 L atm/ K mol.

P= 0.97 atm
V= 35.83 * 10 ⁻³ L (conversion from ml to,  just multiplied by 10 ⁻³ )
R= 0.082 L atm/ K mol
T= (25.3 + 273) K ( recall Kelvin = Celcius + 273; K= °C + 273<span>)
</span>
Substitute values into equation of  n= PV / RT

n= 
(0.97 atm) (35.83 * 10 ⁻³ L) /  (0.082 L atm/ K mol) (298.3 K)= 0.014 mole

The answer is 0.014 mole
3 0
3 years ago
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