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PolarNik [594]
4 years ago
15

Unlike animal cells, plant cells have

Chemistry
2 answers:
Romashka [77]4 years ago
5 0

Answer:

A. Chloroplasts, Cell Wall, and 1 Large Vacuole

Explanation:

Because they are plants, theres no other reason

Monica [59]4 years ago
4 0

Answer:

b

Explanation:

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What is the conversion of 12.044x10^23 to a gram
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8.4g

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How many neutrons does this atom have?
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Read 2 more answers
How many joules of heat are needed to raise the temperature of 47.5 g of aluminum from 21°C to 94°C , if the specific heat of al
Montano1993 [528]

Answer:

3120.75J

Explanation:

So, we have the formula q = mc\Delta t. For this example, q is the heat energy in Joules, m is the mass in grams, c is the specific heat capacity in \frac{J}{{g\°C}}, and \Deltat is the change in temperature. In this case, m = 47.5g, c = 0.9  \frac{J}{{g\°C}}, and \Deltat  = 94-21 = 73°C. Plugging in the values, we get the joules of heat required to raise 47.5g of Al from 21°C to 94°C which is stated above. You can double check my answer but that should be it. An important thing to be aware of are the units. Sometimes, the heat capacity may not be \frac{J}{{g\°C}}. I may be in Kelvin or something. Anyways, hope this helps.

5 0
4 years ago
The temperature of a sample of gas at 8.5 atm and 59.2 °C increases to 140.0 °C. If the
labwork [276]

Answer:

since that's the closest option we have

10.6atm

Explanation:

Since volume is constant

P1/T1 = P2/T1

P1 =8.5atm

T1 = 59.2°C = 332.2k

T2 = 140°C = 413k

P2 = ?

8.5/332.2 = P2/413

0.026 = P2/413

P2 = 0.026 x 413

P2 = 10.74atm

5 0
3 years ago
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