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grin007 [14]
3 years ago
7

HELLLLLLLLLLLLLLP!!!!!!!!!!!!!!!!!!!!!!!!!!! PLSSSSSSSSSSSSSSSS

Physics
1 answer:
Sati [7]3 years ago
3 0
  • <u>Biosphere and Hydrosphere</u> - The plants absorb and process water for survival. They also remove this water from their bodies through transpiration.
  • <u>Lithosphere and Biosphere</u> -  The plants harness nutrients such as nitrogen from the soil. Humans also extract these chemicals to create fertilizer for increased plant growth.
  • <u>Biosphere and Atmosphere</u> - Human made tractors exhaust gases from gas-powered vehicles into atmosphere, which mixes with water particles and falls back to the Earth for the biosphere's consumption.
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Examine the reactants of the incomplete double displacement reaction.
Bumek [7]
<h3>Answer:</h3>

AgCl + NaNO₃

<h3>Explanation:</h3>
  • The reaction between silver nitrate and sodium chloride is an example of a double displacement reaction.
  • In a double displacement reaction compounds or salts reacts and exchange cations or anions to form new compounds or salts.
  • In this case, silver nitrate and sodium chloride exchange anions and cations to form silver chloride and sodium nitrate.
  • Therefore, the complete reaction is given by;

AgNO3 + NaCl → AgCl + NaNO₃

  • But since silver chloride is a precipitate, the reaction may also be an example of a precipitation reaction.
8 0
3 years ago
What equation is used to calculate the weight of an object on a plant ?
tankabanditka [31]

The equation used to calculate the weight of an object on a plant is F = ma. "F" is the force measures  in Newtons, "m" is the mass measures in grams and "a" is the acceleration that accur  due to gravity.

3 0
4 years ago
Thermodynamic Processes
goblinko [34]

Answer:

A. Part a is the attachment

B. total work = 10.4kj

Explanation:

workdone=nRT1ln\frac{Vb}{Va}

T1 = constant temperature

nRT1 = PaVa = PbVb

We write equation as

workdone =(PaVa)ln\frac{Vb}{Va}

5ma = Pa, 5L = Va, Vb = 10L(temperature is doubled)

w1 = workdone =(5mpa*5L)ln\frac{10L}{5L}

W1 = 25 ln2

W1 = 25 x 0.693

= 17.327kj

The isochoric expansion has no change in volume. So,

W2 = 0

Isothermal compression

w3=nRT3ln\frac{Vd}{Vc}

T3 = constant temperature

nRT3 = PcVc = PdVd

workdone=(PcVc)ln\frac{Vd}{Vc}

Pc = 1mpa Vc = 10L Vd = 5L

w3=(1)(10)ln\frac{5L}{10L}

= 10x-0.693

= -6.93kj

Isochoric compression has no change in volume. Workdone w4 = 0

Total workdone = w1 + w2 + w3 + w4

= 17.33 + 0 + (-6.93) + 0

= 10.4kj

5 0
3 years ago
Please help me with part b.
Lerok [7]
I'm sorry but I don't see anything that says part B
.
8 0
3 years ago
Two balls move down a incline. One spins, while the other slides. Which one is going faster at the bottom?
natta225 [31]

Answer: the one spinnin

Explanation:

7 0
3 years ago
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