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3 years ago

What is the name for a substance formed in a chemical reaction?

1 answer:

4 0

A chemical reaction is the process in which atoms present in the starting substances rearrange to give new chemical combinations present in the substances formed by the reaction. These starting substances of a chemical reaction are called the reactants, and the new substances that result are called the products.

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Determine the electron geometry, molecular geometry and polarity of tecl6.

Delvig [45]

The electron geometry of TeCl6 is octahedral, while the molecular geometry is octahedral, non polar.
Octahedral geometry or six electron pairs is the basic geometry for a molecule containing a central atom with six pairs of electrons, such as TeCl6 or SF6. As we replace bonding pairs with non bonding pairs the molecular geometry changes to square pyramidal to square planar.

3 0

3 years ago

2. If 1.75 L of a gas is at 700. K and is under 250. kPa of pressure, what will the new

Andrews [41]

Answer:

Final volume is 3.50L

Explanation:

It is possible to find volume of a gas using combined gas law:

$\frac{P_1V_1}{T_1} =\frac{P_2V_2}{T_2}$

Where P is pressure, V is volume and T is temperature of 1: initial state and 2: final state

If initial state of the gas is:

1.75L of a gas is at 700K and is under 250kPa of pressure

And final state is:

298K and 53.2kPa.

Replacing:

$\frac{250kPa*1.75L}{700K} =\frac{53.2kPa*V_2}{298K}$

0.625L = 0.1785*V₂

3.50L = V₂

Thus, final volume is 3.50L

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3 years ago

The main difference between respiration and fermentation is that respiration

Ksivusya [100]

A requires oxygen

The reason is that fermentation does not always need oxygen.

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3 years ago

Which theory was contradicted by experiments with the photoelectric effect?

olga55 [171]

Answer:

C Visible light...

Explanation:

8 0

3 years ago

Read 2 more answers

Unit 2 Test

Dafna11 [192]

Answer:

the answer to this question is producer

3 0

2 years ago