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Alex
3 years ago
9

A substances formed from atoms of two or more elements is called a _____? compound molecule mixture

Chemistry
1 answer:
dalvyx [7]3 years ago
5 0
Its a molecule

hope that helps 
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Using two different instruments I measured the length of my foot to be 27 centimeters and 27.00 centimeters. Explain the differe
Sophie [7]

Answer:

As you used two diferent instruments, one is more sensitive than the other.

Explanation:

The sensitivity of an instrument is the minimum amount of magnitude that can be  differentiate a measurement system.

In method A, you got 27 cm, so if in method B, you got 27.00, method B is more sensitive. It's like saying that one system measures more than the other

8 0
3 years ago
The equilibrium constant is given for one of the reactions below.
Cerrena [4.2K]

Answer:

12.7551

Explanation:

The given chemical equation follows:

2HD(g)\rightarrow H_2(g)+D_2(g)

The equilibrium constant for the above equation is 0.28.

We need to calculate the equilibrium constant for the reverse equation of above chemical equation, which is:

2H_2(g)+2D_2(g)\rightarrow 4HD(g)

The equilibrium constant for the reverse reaction will be the reciprocal of the initial reaction.

If the equation is multiplied by a factor of '2', the equilibrium constant of the reverse reaction will be the square of the equilibrium constant  of initial reaction.

The value of equilibrium constant for reverse reaction is:

K_{eq}'=(\frac{1}{0.28})^2

<u>Hence, the value of equilibrium constant for reverse reaction is 12.7551.</u>

3 0
4 years ago
Have a good day today:) 100 free pts!
Naddik [55]

:o really? thank you so much!

5 0
3 years ago
Read 2 more answers
Suppose the filament in a super-powerful flashlight is heated up to 3600 K. What type of light would be given off by this filame
alexdok [17]
A cool white is the spectrum that lightbulbs between 3600-5000k would mainly show

4 0
3 years ago
Read 2 more answers
Germaine wants to know exactly how acidic lemon juice is. Which of these can tell him the pH most precisely? A. pH probe B. indi
Vlada [557]

Answer:

pH probe

Explanation:

A pH probe is the most accurate and consistent way of measuring pH. While pH paper and an indicator solution is viable, the most precise way would be to use a pH probe or meter

8 0
3 years ago
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