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Andre45 [30]
3 years ago
8

How are insect wings not likely to be fossilized?

Chemistry
1 answer:
Dimas [21]3 years ago
6 0

Answer:

They are not made of hard materials like bone or scales, which is easiest to fossilize.

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Question 10
eduard

Answer:

C. Biodiesel made from plant oil.

Explanation:

The  type of vegetable oil used in production greatly affects the performance of biodiesel in the winter. The less saturated the fat, the better the performance in winter time. Canola oil works very well for low temperature biodiesel, and palm oil is among the worst for cold weather performance.

Hope this helped!!!

5 0
3 years ago
0.056 g/s = ? g/min
Dvinal [7]
It should be 3.36 g / min but i m not sure
3 0
3 years ago
why is a molecule of CO2 non polar even though the bonds between the carbon atom and the oxygen atoms are polar
stira [4]

Answer:

m

Explanation:

m

5 0
3 years ago
Calculate the number of moles in 136g of ammonia
Lesechka [4]

Answer:

Can you be more specific

Explanation:

7 0
3 years ago
g Enter your answer in the provided box. If 30.8 mL of lead(II) nitrate solution reacts completely with excess sodium iodide sol
Ronch [10]

Answer:

M=0.0637M

Explanation:

Hello,

In this case, the undergoing chemical reaction is:

Pb(NO_3)_2(aq)+2NaI(aq)\rightarrow PbI_2(s)+2NaNO_3(aq)

Thus, for 0.904 g of precipitate, that is lead (II) iodide, we can compute the initial moles of lead (II) ions in lead (II) nitrate:

n_{Pb^{2+}}=0.904gPbI_2*\frac{1molPbI_2}{461gPbI_2}*\frac{1molPb(NO_3)_2}{1molPbI_2}  *\frac{1molPb^{2+}}{1molPb(NO_3)_2} =1.96x10^{-3}molPb^{2+}

Finally, the resulting molarity in 30.8 mL (0.0308 L):

M=\frac{1.96x10^{-3}molPb^{2+}}{0.0308L}\\ \\M=0.0637M

Regards.

3 0
3 years ago
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