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Kobotan [32]
3 years ago
14

Looking for 14-16, hispanic, curly hair, genuinely a nice guy

Chemistry
1 answer:
wlad13 [49]3 years ago
8 0

Answer:me being a tanned ginger

Explanation: i cant date u

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What does multivalent mean???
salantis [7]
In the context of multivalent ions, it is when it has multiple oxidative states. 
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2 years ago
How should you add metal to the graduated cylinder so that it will not crack the glass at the bottom?
ella [17]

Answer:

you tilt the cylinder at a slight angle so that the metal slides down the sides, rather than drops all it`s weight to the bottom

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3 years ago
What is the formula for energy change?
rewona [7]

Answer:

Below:

Explanation:

To calculate an energy change for a reaction: add together the bond energies for all the bonds in the reactants - this is the 'energy in' add together the bond energies for all the bonds in the products - this is the 'energy out.

Hope it helps....

It's Muska

5 0
2 years ago
A 10.5 mL sample of vinegar, containing acetic acid, was titrated using 0.460 M NaOH solution. The titration required 19.13 mL o
laila [671]

Explanation:

Step 1:

A good first step for a problem like this is to write down the chemical formula and balance it.

It appears here that we have 10.5 mL of vinegar, which IS acetic acid, and 19.13 mL of 0.460 M NaOH. That will give us the following balanced chemical equation:

CH3COOH + NaOH ------> NaCH3COO + H2O

All of the constituents come out to a value of 1, conveniently.

Step 2:

Since all of our stoichiometric coefficients are one, we can use a shortcut to answer this equation. I don't know if it has a name, but I just call it the titration formula. It goes something like this:

M1 * V1 = M2 * V2

M stands for Molarity and V stands for volume. 1 and 2 being the before the reaction and after the reaction.

So, our M1 for this is going to be what the question says was used for this titration. That's 0.460M NaOH.

Our V1 is going to be the initial volume of the sample, which was 10.5 mL

Our V2 is going to be 19.13, which is the volume when we're finished.

It's clear that we don't know M2, so let's find it.

Keep in mind that it's easier to convert to liters pretty much always, so I've done that by dividing the mL values each by 1000.

Using some algebra, we can see that we now have:

0.460 M * 0.0105 L = x M * 0.01913 L

Which goes to:

\frac{0.00483mol}{0.01913L} = 0.252 M

<h3>So our M2, the molar concentration of acetic acid in this vinegar, is equal to 0.252 M. </h3>
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3 years ago
How does the amount of energy coming from the energy source (low vs. high) affect the amount of electrical energy created.
vfiekz [6]

Answer:The environmental problems directly related to energy production and   Electricity is a secondary energy source that is generated  producedfrom primary energy sources:

hope that helps im new so have a good day (:

Explanation:

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