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jok3333 [9.3K]
3 years ago
10

1

Chemistry
1 answer:
cupoosta [38]3 years ago
3 0

Answer:

The answer is barium phosphate

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PLSSSSSSSSS HELP!!!!!!!! FIRST TO AWNSER GETS BRAINLIEST!!!!!!!!
katrin [286]

Answer:

measles are caused by virus

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malaria caused by protist

hope this helps!

Explanation:

4 0
2 years ago
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What must be true about two objects if heat is flowing between them?
Degger [83]

The objects may exchange heat between each other if they are in contact with each other.

The two objects will allow flow of heat between them if they have a difference in temperature from each other.

The heat will flow from higher temperature object to lower temperature object. The will reach a final temperature (common to each other) and then there will be no heat transfer between each other.

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50 POINTS!!!!!!!!!!!
kifflom [539]
A substitution is a mutation that exchanges one base for another. This can include a change in a single chemical letter. ex. changing a to g or in your case g to a. I believe the correct answer should be B.
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3 years ago
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At a certain temperature, the ph of a neutral solution is 7.43. what is the value of kw at that temperature? express your answer
Delvig [45]

The formula for Kw is:

Kw= [H]*[OH]

where [H] and [OH] are concentrations 

We are given the pH so we can calculate the [H] concentration from the formula:
pH=-log[H] 
7.43 = -log[H]

[H] = 3.715x10^-8 M

In neutral solution, [H] = [OH], therefore: 

<span>[OH]= 3.715x10^-8 M

Calculating Kw:

Kw = (3.715x10^-8)*( 3.715x10^-8)</span>

<span>Kw = 1.38 x 10^-15 </span>

7 0
3 years ago
Write a chemical equation depicting what happens to the sugar in water.
zysi [14]
Assuming that you mean table sugar (sucrose), then at room temperature and without any catalyst, there is no reaction. 

However if you elevate and hold the temperature of the aqueous solution at 50 to 60 °C (especially in the presence of a suitable catalyst, like mineral acid) the sucrose dimer will split into glucose and fructose. This is called hydrolysis and the resulting solution is called an invert sugar solution. 

The reaction could be written as: 

C12H22O11 (sucrose) + H2O (water) → C6H12O6 (glucose) + C6H12O6 (fructose) 

or 

C12H22O11 (aq) + H2O (l) → C6H12O6 (aq) + C6H12O6 (aq) 

Notice that both of the produced sugars have the same empirical formula. Check with your instructor or in your textbook to see if more exact formulas are needed.
5 0
3 years ago
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