2 years ago

Balance NH4C2H3O2 + PbO2 and tell what type of reaction it is. Please help!! Time is limited!

Chemistry

1 answer:

Sati [7]2 years ago

7 0

Answer:

.................

Explanation:

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Inessa05 [86]

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2 years ago

Compared with halogens, the alkali metals in the same period has

Rufina [12.5K]

Alkali metals have the lowest electronegativities, while halogens have the highest.

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3 years ago

In a water molecule, what type of bond forms between the oxygen and hydrogen atoms

goldenfox [79]

Covalent bond forms between the oxygen and hydrogen atoms.

(I attached a picture that could help)

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2 years ago

How much time would it take to distribute one avagadro's number of wheat grains if 10^10 grains are A)1.9*10^2 years B)1.9*10^10

Makovka662 [10]

Answer:

It takes 1.9 $\times 10^{6}$ years to distribute all the grains.

Explanation:

In one second, $10^{10}$ grains of wheat are distributed.

We are supposed to find the time it would take to Distribute Avogadro number of grains.

1 avogadro number = 6.022 $\times 10^{23}$

Number of grains distributed in 1 day = 86400 $\times 10^{10}$

= 8.64 $\times 10^{14}$

Number of grains distributed in 1 year= 8.64 $\times 10^{14} \times 365$

= 3.1536 $\times 10^{17}$

Time taken = $\frac{Number of grains to be distributed}{grains distributed in 1 year}$

= $\frac {6.022 \times 10^{23}}{3.1536\times 10^{17}}$

= 1.9 $\times 10^{6}$

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3 years ago

How much force is needed to accelerate a 66 kg skier at 2 m/sec2

alexgriva [62]

Answer:

132N

Explanation:

F=ma

F=66×2

F=132N

7 0

3 years ago