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3 years ago

What is the effect of adding more water to the following reaction at equilibrium? CO2 + H2O H.CO.

1 answer:

3 0

Answer:If the pressure of a gaseous reaction mixture is changed the equilibrium will shift to minimise that change. If the pressure is increased the equilibrium will shift to favour a decrease in pressure.

Explanation:

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Explain how a cell is like your school or town. What is the nucleus of your town? The mitochondria?

Mariulka [41]

Answer:

The nucleus is like the mayor's office because it controls what happens in the cell. The mitochondria is the powerhouse of the cell because it gives the rest of the cell energy to perform the tasks they need to do.

Explanation:

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3 years ago

What are some ways to prevent heat energy loss in matter?

Lera25 [3.4K]

Answer:

Use less heat in your house.

Explanation:

You have blankets in your house, huddle up for a good movie together.

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3 years ago

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Match these items. 1. smallest unit of an element 2. original site of alchemy 3. consists of only one substance 4. good conducto

pychu [463]

1. Atom, 2. Alexandria, 3. Element, 4. Metals, 5. Nonmetals, 6. Compound

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3 years ago

Match each SI unit to the quantity it measures mass temperature time electric current

kherson [118]

The S.I unit for the given term:

Mass is expressed in kilogram (kg)

temperature is expressed in kelvin (K)

Time is expressed in seconds (s)

Current is expressed in ampere (A)

Explanation:

Current:

The current can be defined as the electric charge flow in the surface (means ratio of charge per unit time). It is measured in ampere (A)

$Current\ I=\frac{\text { charge }}{\text { time }}$

Temperature: 

Kelvin (K), the general temperature unit in the international standard units system. The Kelvin scale is an absolute thermodynamic temperature scale that uses absolute zero, a temperature at which all thermal movements end with a classic description of thermodynamics.

Mass: 

Mass is both a feature of the objects weight and its resistance measurement to accelerate under the influence of pure force. The mass of the object also determines the gravitational force. The basic unit of mass is kilogram (kg)

Time: 

Time is the measurement of how much distance the objects takes to travel from one to another (speed). It is expressed in seconds (s).

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3 years ago

How many protons, electrons, and neutrons does the following Isotope contain? 27Al 3+

Rufina [12.5K]

Answer:

13 protons, 10 electrons, 14 neutrons

Explanation:

First, Al is having a charge of +3, and this means Al has lost 3 of its valence electrons.

Neutral atom of Al has atomic number of 13, but this isn't an atom. This is an ion which has lost 3 electrons, therefore the number of electrons becomes 10 while the number of protons remains 13.

We get the number of neutrons by subtracting the number of protons from the mass number. In this case, the mass number is 27 and proton number is 13. If you take away 13 from 27, you are left with 14. This is the number of neutrons.

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3 years ago