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nydimaria [60]
4 years ago
8

HELP FAST 20 POINTS

Chemistry
2 answers:
schepotkina [342]4 years ago
8 0
D) Transportation is the correct answer
Naddik [55]4 years ago
7 0
The answer is D because it’s the movement of food substance from the stems to growing tissues and storage tissues,
The answer A is incorrect because it talks about the cycle
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_______ is force divided by area.
Digiron [165]

Answer:

Pressure

Explanation:

Basically when you are pressing something you are applying force over an area thus Pressure is force divided by area.

7 0
3 years ago
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A. How many moles of ammonium sulfate will be produced with 25.56 grams of ammonia gas
Irina-Kira [14]
I do not know do you?
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3 years ago
What does it mean if data are reproducible but not accurate?
egoroff_w [7]
If data results a reproducible but not accurate, it means that there was a high level of precision, but not complete accuracy.
3 0
4 years ago
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An experiment reveals that 125.0 grams of an unknown metal increases in temperature from 22.0 oC to 43.6 oC upon absorbing 640 j
nydimaria [60]

Answer:

                     Cp  =  0.237 J.g⁻¹.°C⁻¹

Explanation:

                      Amount of energy required by known amount of a substance to raise its temperature by one degree is called specific heat capacity.

The equation used for this problem is as follow,

                                                 Q  =  m Cp ΔT   ----- (1)

Where;

           Q  =  Heat  =  640 J

           m  =  mass  =  125 g

           Cp  =  Specific Heat Capacity  =  <u>??</u>

           ΔT  =  Change in Temperature  =  43.6 °C  -  22 °C  =  21.6 °C

Solving eq. 1 for Cp,

                                Cp  =  Q / m ΔT

Putting values,

                                Cp  =  640 J / (125 g × 21.6 °C)

                                Cp  =  0.237 J.g⁻¹.°C⁻¹

3 0
3 years ago
A student is calculating the molarity of a solution that has 43.54 g of aluminum nitrate dissolved in water to make 4.0 L of wat
Nonamiya [84]
Umm it’s either A, B, C, or D.
7 0
3 years ago
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