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sweet [91]
3 years ago
13

Please help me create an hypothesis in the, if/then format for the question Does different types of vinegar, change the time it

takes for the baking soda to die down.
ILL MAKE YOU BRAINIEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Chemistry
2 answers:
Romashka [77]3 years ago
6 0
The answer is Yes!!!!!!!!!!!!!!
motikmotik3 years ago
4 0

Answer:

ask your mom or dad to help you

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How much 2.0 M phenylmagnesium chloride solution is needed if adding 2.9 mmol of Grignard reagent to a reaction? Your answer sho
Vladimir [108]

Answer:

1,45 mL

Explanation:

The Grignard reaction is a very important organometallic chemical reaction where the Grignard reagent ( alkyl, vinyl, or aryl-magnesium halides) acts as nucleophile in order to the formation of Carbon-Carbon bonds.

In the problem, the phenylmagnesium chloride is the grignard reagent. The volume of 2.0 M phenylmagnesium chloride solution you need to add 2.9 mmol is:

2,9 mmol × \frac{1mL}{2,0mM} = <em>1,45 mL</em>

<em></em>

I hope it helps!

3 0
3 years ago
What could we use to measure the energy of particles when we are unable to see them
iVinArrow [24]

Answer:

Temperature.

Explanation:

Temperature is a measure of the average kinetic energy of a system.

6 0
3 years ago
Predict the products that will be formed by the reaction below. Al(s)+Na2SO4(s)—&gt;
Ostrovityanka [42]

Answer:

Al₂(SO₄)₃ and Na

Explanation:

Al has a charge of +3, Na has a charge of +1 and SO₄ has a charge of -2. Since cations and anions will bond we know that Al will bond with SO₄ leaving Na by itself (since this is a single replacement reaction). When Al bonds with SO₄ it makes aluminum sulfate which is Al₂(SO₄)₃ and Na will be left by itself.

3 0
3 years ago
Name the fundamental unit involved in the derived unit joule?​
tangare [24]

Answer:

Energy

Explanation:

7 0
2 years ago
A specific steroid has a λmax of 257 nm and a molar absorptivity ε of 11 , 500 L mol − 1 cm − 1 . What is the concentration of t
joja [24]

Answer:

7.83\times 10^{-6} M is the concentration of the compound in a solution.

Explanation:

Using Beer-Lambert's law :

Formula used :

A=\epsilon \times C\times l

Where:

A = absorbance of solution

C = concentration of solution

l = path length

\epsilon = molar absorptivity coefficient

We have:

C = ? , l = 1.00 cm, A = 0.090

\epsilon = 11,500 L/(mol cm)

C=\frac{A}{\epsilon l}=\frac{0.090}{11,500 L/(mol cm)\times 1.00 cm}

C=7.83\times 10^{-6} M

7.83\times 10^{-6} M is the concentration of the compound in a solution.

6 0
3 years ago
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