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3 years ago

What type of rock is formed when mineral-rich water seeps through the

Chemistry

2 answers:

SIZIF [17.4K]3 years ago

7 0

I think it’s probably ( C )

xz_007 [3.2K]3 years ago

6 0

...clutching am I.Sedimentary

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What does ozone do to make life on earth possible?

forsale [732]

Answer - Ozone layer helps keep the harmful ultra violet rays hitting and keeping the atmospheric pressure in.

Reasoning - Without the ozone layer the whole planet would have a loss of water and especially people burning very easily from the sun. <span />

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3 years ago

Water flows from the bottom of a large tank where the pressure is 100 psig through a pipe to a turbine which produces 5.82 hp. T

Marianna [84]

Explanation:

Bernoulli equation for the flow between bottom of the tank and pipe exit point is as follows.

$\frac{p_{1}}{\gamma} + \frac{V^{2}_{1}}{2g} + z_{1}$ = $\frac{p_{2}}{\gamma} + \frac{V^{2}_{2}}{2g} + z_{2} + h_{f} + h_{t}$

$\frac{(100 \times 144)}{62.43} + 0 + h[tex] = [tex]\frac{(50 \times 144)}{(62.43)} + \frac{(70)^{2}}{2(32.2)} + 0 + 40 + 60$

h = $\frac{(50 \times 144)}{(62.43)} + \frac{(70)^{2}}{2(32.2)} + 40 + 60 - \frac{(100 \times 144)}{(62.43)}$

= 60.76 ft

Hence, formula to calculate theoretical power produced by the turbine is as follows.

P = mgh

= $100 \times 60.76$

= 6076 lb.ft/s

= 11.047 hp

Efficiency of the turbine will be as follows.

$\eta_{t}$ = $\frac{P_{actual}}{P_{theoretical}}$ × 100%

= $\frac{5.82}{11.047} \times 100%$

= 52.684%

Thus, we can conclude that the efficiency of the turbine is 52.684%.

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3 years ago

What is the identity of the atom shown?

posledela

Answer:

Explanation:

Argon has 17 protons and 18 neutron

atomic number is the same as the protons number.

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3 years ago

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Draw structural formulas for the alkoxide ion and the alkyl(aryl)bromide that may be used in a williamson synthesis of the ether

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On the attached picture it is shown required alkoxide ion, <span>alkyl(aryl)bromide and the ether that forms from the reactants. </span>

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3 years ago

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Lady bird [3.3K]

Answer:

4 Ethanol has a boiling point of 89 C at standard pressure.

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4 years ago