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3 years ago

Tidal water is pushed through turbine to generate electricity l. True or false?

Chemistry

2 answers:

Law Incorporation [45]3 years ago

6 0

I’m pretty sure that the answer would be ture

iVinArrow [24]3 years ago

3 0

The answer is true, this is how dams work as the water goes through ot it pushed the turbines inside to generate electricity.

I hope this helps.

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Which equation represents a neutralization reaction?

netineya [11]

Answer:

a. LiOH(aq) + HBr(aq) -> LiBr(aq) + H2O(l)

Explanation:

This is a neutralization reaction (acid-base reaction) LiOH is a base and HBr is an acid.

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3 years ago

As the number of moles goes up, volume a. goes down. b. stays the same. c. goes up. d. cannot be determined.

Romashka-Z-Leto [24]

Answer:

it goes up

Explanation:

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3 years ago

The air pressure for a certain tire is 109 kPa. What is this pressure in atmospheres?

Len [333]

1.08 atm is the pressure for a certain tire in atmosphere.

Explanation:

One kilo pascal (1 kPa) corresponds to 1000 pascal. Another common unit used for pressure is atmosphere (symbolised as ‘atm’). 1 atm refers the standard atmospheric pressures and corresponds to 760 mm Hg and 101.3 kPa. Atmospheric pressures are commonly referred as square inches (psi)/ pounds.

$1 \mathrm{atm}=101.3 \mathrm{kPa}=101,325 \mathrm{Pa}=760 \mathrm{mm} \mathrm{Hg}=760 \text { torr }=14.7 \mathrm{lb} / \mathrm{in}^{2}(\mathrm{psi})$

Given:

The air pressure for a certain tire = 109 kPa

We need to find pressure in atmospheres

So, we know,

1 atm = 101.3 kPa

Hence,

$\frac{109 \mathrm{kPa}}{1} \times \frac{1 \mathrm{atm}}{101.3 \mathrm{kPa}}=1.076=1.08 \mathrm{atm}$

1.08 atm is the pressure for a certain tire in atmosphere.

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4 years ago

Is it possible for parents whose alleles for a dominant trait are homozygous dominant to have offspring with a homozygous recess

Fynjy0 [20]

The right answer for the question that is being asked and shown above is that: "TRUE." It is possible for parents whose alleles for a dominant trait are homozygous dominant to have offspring with a homozygous recessive trait. This is true.

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4 years ago

Which describes a chemical property of copper

irga5000 [103]

Answer:

Atomic number 29

Atomic mass 63.546 g.mol -1

Electronegativity according to Pauling 1.9

Density 8.9 g.cm-3 at 20°C

Melting point 1083 °C

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3 years ago

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