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ivolga24 [154]
4 years ago
15

What does D represent?

Chemistry
1 answer:
alexandr1967 [171]4 years ago
3 0

Answer:

the lowest point of energy the the graph reaches

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Campare and Conteast Physical and chemical properties.
I am Lyosha [343]

Answer:

Physical properties are changes in color, weight, mass, density, volume, whether it is freezing, tarnishing, boiling, etc. while chemical properties are changes in the compound of the object such as whether an object is/isn't flammable, affected by acid, it dissolves, ferments, rots, ignites in water, etc.

Explanation:

Physical property examples: a piece of steel is cut in half, a sugar cube is ground up into a powder, ice melts into water, clouds form in the sky, you mow the lawn, the water turned purple when you dropped red and blue dye in it, leaves grow in the spring, ethyl alcohol boils at 79° C, you cut apples up

Chemical property examples: pancakes cook on the griddle, fireworks explode in th sky, Alka-Seltzer gives off carbon dioxide when added to water, roasting a marshmellow, milk sours when left on the counter, burning wood in a bonfire, salt dissolves in water, food is digested in the stomach

3 0
3 years ago
In an experiment, what is the purpose of the control group?
Burka [1]

A control group is the comparison group that helps to "make sure your experiment works." A control group is separated from the rest of the experiment and nothing happens to it kinda like a controlled variable.  Controlled variables are the variables in a experiment that remains the same for example a temperature, time, type of products, etc..

Hope this helps!

7 0
3 years ago
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How does the account of the prophet Daniel demonstrate to Jews that God will rescue them from harm
ser-zykov [4K]

Answer: The account of the prophet Daniel demonstrates to Jews that God will rescue them from harm because made the lions shut their mouths so that Daniel was safe through the night.

8 0
3 years ago
1s22s22p?<br> 1.22<br> 2.22<br> 6
Inga [223]

Answer:

Explanation:

excuse me what?

6 0
3 years ago
How many grams of KOH do we need to make 250.0ml of a 0.75 M
ZanzabumX [31]

Answer:

10.52g KOH

Explanation:

250.0 ml X 1L/1000ml X 0.75 mol KOH/1L X 56.105gKOH/1 mol KOH =10.52g KOH

5 0
3 years ago
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