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elena-s [515]
3 years ago
11

DNA What organism is often used to study mutations

Chemistry
1 answer:
bezimeni [28]3 years ago
6 0

Answer:

Hartwell's yeast

Explanation: A model organism for studying somatic mutations and cancer."

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Can someone help me with these three Chemistry questions?
Xelga [282]
There are 6 molecules of Mg3(PO4)2
6 × 3 = 18 Mg
6 × 4 × 2 = 48 O

8 0
3 years ago
Ultra Clorox bleach is 6.68% sodium hypochlorite in water. How much of each is needed to make an 800.mL bottle?
sweet-ann [11.9K]
If we have 6.68% NaClO, it is the same as saying--> 6.68 grams NaClO= 100 mL of solution. we can use this as a conversion. 

800. mL (6.68 mL/ 100 mL)= 53.4 mL

solution = solute + solvent

solute= NaClO
solvent= H2O

solvent= 800-53.4= 747 mL of H2O

so, we you need 53.4 mL of NaClO and 747 mL of water or 53.4 grams of NaClO and 747 mL of water
7 0
3 years ago
PLZ HELP ME
mariarad [96]

The balanced reaction is 3 Ca ( s ) + N 2 ( g )  →  Ca 3 N 2 ( s ).

<u>Explanation</u>:

A chemical equation is said to be balanced when the total number of atoms present on the reactants side is equal to the total number of atoms present on the product side.

The unbalanced chemical equation is as follows,

                             Ca ( s ) + N 2 ( g )  →  Ca 3 N 2 ( s )

To balance this equation, you need to look at how many atoms of each element are present on each side of the chemical equation.

 Calcium has  1  atom on the reactant and  3  on the products side. To balance the reaction we need to multiply the calcium atom by  3  on the reactants side.

                            3 Ca ( s ) + N 2 ( g )  →  Ca 3 N 2 ( s )    

Now  Nitrogen has a coefficient of  2  on both sides of the reaction. Hence the balanced chemical equation will thus be

                              3 Ca ( s ) + N 2 ( g )  →  Ca 3 N 2 ( s )

3 0
3 years ago
In the formula for water ,(H2O), what does the lack of subscript after the O indicate?
ladessa [460]
I believe its B. <span>The chemical formula for water H2O represents 2 hydrogen and 1 oxygen in the compound.  </span>
4 0
3 years ago
Read 2 more answers
Type the correct answer in each box. Spell all words correctly.
Dmitry_Shevchenko [17]
There’s nothing there?
8 0
3 years ago
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