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Allushta [10]
3 years ago
6

If the Sun were much smaller than its current size, what effect would this have on eclipses?

Chemistry
1 answer:
sergiy2304 [10]3 years ago
8 0
Total solar eclipses would be more common, because it would be easier for the moon to cover it, which is a solar eclipse.
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What is the speed of sound in air if its temperature is 9°c
IgorLugansk [536]
Below are some conversions.

336.715 m/s
1212.175 km/h
753.206 mph
1104.709 ft/s
654.08 knots

Try using this website:

www.sengpielaudio.com/calculator-speedsound.htm

5 0
4 years ago
Researchers are studying a fish population in a small pond that has algae as the only producer in the ecosystem. The scientists
Pie

Explanation:

                 Algae is a group of a photosynthetic eukaryotic organisms that plays a very important role on the ecosystem. It forms the lower base of the food chain and supports all the life forms of the ecosystem. It takes up water and carbon dioxide from the atmosphere to prepare food during the process of photosynthesis and maintains a balance in the ecosystem.

                In the context, if the algae disappears, the fish might die as the small fishes feeds on this algae. This is a concern as the algae is main component of food source and forms the base of the food chain. If there will be no algae there will be no life form on earth, as all species depend on each other to survive.

                  In order to prevent this from occurring, we must protect our algae. We must plant more trees, keep our water bodies healthy, we should not litter our ponds and lakes. We should also help these algae to grow and survive so that other life forms can feed them and thus maintain the ecosystem.

7 0
3 years ago
Penicillin is hydrolyzed and thereby rendered inactive by penicillinase, an enzyme present in some resistant bacteria. The mass
Arisa [49]

Answer:

The turnover number is the maximum substrate quantitiy converted to product per enzyme and per second. It can be calculate as follows:

k_c = \frac{V_{max}}{[E]} with [E] active enzyme concentration.

In this case we have Vmax an data to calculate [E]

moles of E=\frac{10^{-9}g}{29600 g/mol}=3.38*10^{-14}

[E]=\frac{3.38*10^{-14}}{0.01 L}=3.38*10^{-12} M

Now k_c=\frac{6.8*10^-10}{3.38*10^{-12}}=201.28 min^{-1}

it is not like any option.

If we assume that V_{max} have the non usual units of mol L^{-1} min^{-1} and it is 6.8*10^-10 mol min^{-1}

So we need divide by the moles of E (in place of [E])

Now k_c=\frac{6.8*10^-10}{3.38*10^{-14}}=20128 min^{-1} = 335 s{-1}

(pass from min^{-1} to s^{-1} dividing by 60)

4 0
3 years ago
PLSSsss HELP ASAP :)
grin007 [14]

Answer:

Travis categorized their characteristics correctly.

Explanation: This is because plants use chloroplast in their cells to help them with photosynthesis, and this is what turns them green. Animals do not make their own food so they have no use for chloroplast in their cells.

3 0
3 years ago
Read 2 more answers
How much heat is required to increase the temperature of 198.5 grams of water from 25.0
velikii [3]

5.27*10^4 (52,700.)

4 0
4 years ago
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