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Anika [276]
3 years ago
12

PLSSsss HELP ASAP :)

Chemistry
2 answers:
grin007 [14]3 years ago
3 0

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.

BartSMP [9]3 years ago
3 0

Answer:

Travis is correct

Explanation:

Photosynthesis takes part in Chloroplast

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Which compounds are distinguished by an oxygen bridge between two carbon chains?
sergiy2304 [10]
I think ethers are being referred to in this questions since an ether is defined by having a oxygen atom that is directly bonded to carbons on both sides.

I hope this helps.  Let me know if you any further questions or if you anything to be clarified.
3 0
3 years ago
A 75.0-liter canister contains 15.82 moles of argon at a pressure of 546.8 kilopascals. What is the temperature of the canister?
alexandr1967 [171]

Answer:

  • <u>312 K</u>

Explanation:

<u>1) Data:</u>

<em />

a) V = 75.0 liter

b) n = 15.82 mol

c) p = 546.8 kPa

d) T = ?

<u>2) Formula:</u>

  • Ideal gas equation: pV = nRT

Where:

  • n = number of moles
  • V = volume
  • p = absolute pressure
  • T = absolute temperature
  • R = Universal Gas constat: 8.314 kPa - liter / K-mol

<u>3) Solution:</u>

a) <u>Solve the equation for T</u>:

  • T = pV / (nR)

b) <u>Substitute and compute</u>:

  • T = 546.8 kPa × 75.0 l iter / (15.82 mol × 8.314 kPa-liter/K-mol) = 312 K

(since the volume is expressed with 3 significant figures, the answer must show also 3 significant figures)

8 0
4 years ago
Why the earth is green
Svetlanka [38]

Answer:

the earth is green because the green part is the plants and tree.

4 0
3 years ago
Read 2 more answers
What caused the bubbles to form when you added the catalase to the hydrogen peroxide and water mixture at 40 °c?
Dahasolnce [82]
<span>What caused the bubbles to form when you added the catalyses to the hydrogen peroxide and water mixture at 40 °C? A. Catalyses activity heated the solution to its boiling point. B. Hydrogen gas formed during the formation of hydrogen peroxide. C. Oxygen gas formed during the decomposition of hydrogen peroxide.

This would be the water, mixture.</span>
7 0
3 years ago
Read 2 more answers
From the balanced reaction below, when you have 3.33 moles of (NH4)2Cr2O7, how many grams of N2 will be produced
natima [27]

Answer:

m_{N_2}=93.3gN_2

Explanation:

Hello there!

In this case, for this stoichiometry-based problem, it is firstly necessary to realize that the decomposition of ammonium dichromate is given by:

(NH_4)_2Cr_2O_7(s)\rightarrow N_2(g)+4H_2O(l)+Cr_2O_3(s)

Thus, since the mole ratio between ammonium dichromate and the gaseous nitrogen (molar mass = 28.02 g/mol) is 1:1, we can compute the produced mass of the latter via stoichiometry as shown below:

m_{N_2}=3.33mol(NH_4)_2Cr_2O_7*\frac{1molN_2}{1mol(NH_4)_2Cr_2O_7}*\frac{28.01gN_2}{1molN_2}\\\\  m_{N_2}=93.3gN_2

Best regards!

3 0
3 years ago
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