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makvit [3.9K]
3 years ago
14

Are the following elements an electron lender or borrower and how many electrons?

Chemistry
1 answer:
KiRa [710]3 years ago
7 0
These are metal atoms. Hence,they have the tendency to give away (lend) electrons as each metal atoms has only 2 valence electrons which makes it easier to lose these electrons than gain.Numver of electrons give away is 2
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The radio station z107.7 broadcasts radio waves. What do the numbers 107.7 represent?
PilotLPTM [1.2K]

Hello


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Which type of force does a magnet use to move a nail?
galben [10]

Answer:

C maybe

Explanation:

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3. Methyl acetate is hydrolyzed at 25 oC in acidic environment. Aliquots of equal volume are removed and titrated with NaOH solu
avanturin [10]

Solution :

Time (sec)       Volume of NaOH (mL)

339                           26.23

1242                         27.80

2745                        29.70

4546                         3.81

$\infty$                               39.81

Now the example of the first order kinetics w.r.t volumetric analysis is :

$k=\frac{2.303}{t} \log \left(\frac{v_{\infty}-v_0}{v_{\infty}- v_t}\right)$

Here, $v_{\infty}= \text{ volume at }\infty = 39.81$

$v_{t}= \text{ volume at time 't' } = 27.80$

$v_0$ = volume at time 0 = 0

Since the interval is not constant, we take the time interval as

$=\frac{903+1503+1801}{3}$

$=\frac{4207}{3}$

= 1402.3333

≈  1402 seconds

$k=\frac{2.303}{1402} \log \left(\frac{39.81-0}{39.81-27.80}\right)$

  $=(0.001643) \log \left(\frac{39.81}{10.01}\right)$

  = 0.001643 x 0.52045

  = 0.00082

  $= 8.55 \times 10^{-4} \ sec^{-1}$

Therefore, the first order rate constant is k $= 8.55 \times 10^{-4} \ sec^{-1}$.

5 0
3 years ago
Will mark brainliest if solved correctly.
Kamila [148]

Answer:

The answers for the questions are in the picture.

6 0
4 years ago
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4. What is the volume of a 25% methyl solution that contains 20mL of methyl?
Akimi4 [234]
25% of 20
%=100
25/100 x 20
1/4 x 20
The answer is equal to 5
4 0
3 years ago
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