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3 years ago

Audrey is driving 50 miles in 2 hours what is her average speed ?

Chemistry

1 answer:

LenaWriter [7]3 years ago

5 0

It depends on the unit though if its in miles per hour then you can simply divide 50 by 2

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Which of the following describes a use of thermal energy? * A heater warming a room A flashlight shining on a wall A football fl

katrin2010 [14]

Answer:

A heater warming a room

Explanation:

The reason is that thermal energy is heat. The first option is the only one that has heat in it. A flashlight shining in a wall shows light energy. A football flying through the air shows potential energy to kinetic energy. A radio playing a song shows sound energy. The only answer that shows thermal energy is the first one. I hope I was able to help! :)

6 0

3 years ago

Electron configuration for As

Zolol [24]

Answer:

[Ar] 3d10 4s2 4p3

Explanation:

8 0

3 years ago

How many moles of co2 are found in a 168.2 gram sample

andrew11 [14]

Answer:

Number of moles = 3.82 mol

Explanation:

Given data:

Number of moles of CO₂ = ?

Mass of CO₂ = 168.2 g

Solution:

Number of moles = mass/molar mass

Molar mass of CO₂ = 44 g/mol

By putting values,

Number of moles = 168.2 g/ 44 g/mol

Number of moles = 3.82 mol

6 0

2 years ago

Which of th following is an example of how scientist might use a model?

Gemiola [76]

C. marbles placed inside hollow sphere

8 0

2 years ago

In general, the value of the equilibrium constant for a chemical reaction does NOT depend on_________.

mart [117]

Answer: Option (B) is the correct answer.

Explanation:

Equilibrium constant is defined as the relationship present between the amounts of products and reactants which are there at equilibrium in a reversible chemical reaction at a given temperature.

For example, $A + B \rightleftharpoons C + D$

Mathematically, $K_{eq} = [C][D]$

As the value of equilibrium constant depends on rate constants of the forward and reverse reactions. And, this rate of reaction also changes with change in pressure and temperature.

Therefore, it will also lead to change in equilibrium constant but it does not depend on initial amount pf reactants.

Thus, we can conclude that in general, the value of the equilibrium constant for a chemical reaction does NOT depend on the initial amounts of reactants present.

4 0

2 years ago