2 years ago

Questlon 2 of 10

Chemistry

1 answer:

Solnce55 [7]2 years ago

3 0

Answer:

Explanation:

its the only one with a downside to solar and wind.

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how much gram of water is needed to dissolve 1.5mol sodium chloride Nacl, to prepare 2.5molality solution of Nacl

stellarik [79]

Answer:

You can view more details on each measurement unit: molecular weight of NaCl or grams This compound is also known as Sodium Chloride. The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles NaCl, or 58.44277 grams.

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3 years ago

When is the principle of conservation of mass true? A. Only for reactions that take place in open systems. B. Only for reactions

timurjin [86]

When is the principle of conservation of mass true?

B. Only for reactions that take place in closed systems.

Hope this answers your question!

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3 years ago

Which set of terms best defines what affects kinetic energy and potential energy, respectively?

Stolb23 [73]

I’d say velocity and height

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4 years ago

Function of leaves

monitta

Their main function of hold water

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3 years ago

Calculate the inner diameter of the steam tube between the boiler and the high pressure turbine if the average velocity of the s

stich3 [128]

Answer:

The inner diameter of the steam tube is 0.1185 m.

Explanation:

$m=\rho \times A\times v=\frac{1}{V}\times A\times v$

m = mass flow rate

$\rho$ = density of the liquid

V=specific volume = $\frac{1}{\rho }$

v = velocity of the liquid

A = area of cross-section

Diameter of the cross-section = d = 2r

Given: m = 18 kg/s, v = 60 m/s,A=?, $V = 0.036793 m^3/kg$

$18 kg/s=\frac{1}{0.036793 m^3/kg}\times A\times 60 m/s$

$A=0.0110379 m^2$

Area of the inner cross section = $\pi r^2=\pi \frac{d^2}{4}$

$\pi \frac{d^2}{4}=0.0110379 m^2$

d = 0.1185 m

The inner diameter of the steam tube is 0.1185 m.

5 0

4 years ago