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DochEvi [55]
3 years ago
15

8. Neil pogo sticks from his locker to his science class. He travels 8 m east then 8 m west

Chemistry
1 answer:
jeyben [28]3 years ago
5 0

Answer:

12

Explanation:

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How do you describe an organ
storchak [24]
An organ is a collection of cell tissue.
6 0
3 years ago
Read 2 more answers
In this equation, what should be the coefficients of the reactants and products?
Strike441 [17]

Answer:

C.) The coefficient of iodine is 4, oxygen is 9, and the product is 2

Explanation:

An equation is balanced when there is an equal amount of each element on both sides of a reaction. If the amounts are unequal, you can modify the amount of molecules by adding coefficients.

The unbalanced reaction:

I₂ + O₂ -----> I₄O₉

<u>Reactants</u>: 2 iodine, 2 oxygen

<u>Products</u>: 4 iodine, 9 oxygen

The balanced equation:

4 I₂ + 9 O₂ -----> 2 I₄O₉

Reactants: 8 iodine, 18 oxygen

Products: 8 iodine, 18 oxygen

Remember, coefficients are the numbers placed in front of the molecular formulas. As such, the coefficient of iodine is 4, oxygen is 9, and the product is 2.

8 0
2 years ago
Please help me out on this question!!
lorasvet [3.4K]

Answer:

Water H2O

Explanation:

A solvent is defined as being able to dissolve other substances, the fertilizer is being dissolved in the water prior to watering the plants, therefore the water is the solvent in this case.

7 0
3 years ago
In the reaction A + B C, doubling the concentration of A doubles the reaction rate and doubling the concentration of B does not
Kitty [74]
Here, the rate of reaction would be: rate = k[A]

In short, Your Answer would be Option D

Hope this helps!
6 0
3 years ago
Explain how you would make 450 mL of a .250M NaOH solution?
Neporo4naja [7]

Answer:

Weigh 4.5 grams of sodium hydroxide and add it to the dry volumetric flask of 450 mL followed by small amount of water to dissolve all the NaOH .After this add the water upto tye mark of 450 mL.

Explanation:

Molarity of the solution is the moles of compound in 1 Liter solutions.

Molarity=\frac{\text{Mass of compound}}{\text{Molar mas of compound}\times Volume (L)}

Mass of NaOH = x

Molar mass of NaOH = 40 g/mol

Volume of the NaOH solution =  450 mL =- 0.450 L ( 1 ml = 0.450 L)

Molarity of the solution of NaOH = 0.250 M

Molarity=\frac{1.248 g}{26 g/mol\times 0.9102254 L}=0.528 mol/L

0.250 M=\frac{x}{40 g/mol\times 0.450 L}

Solving for x:

x = 4.5 g

Weigh 4.5 grams of sodium hydroxide and add it to the dry volumetric flask of 450 mL followed by small amount of water to dissolve all the NaOH .After this add the water upto tye mark of 450 mL.

4 0
3 years ago
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