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3 years ago

To protect itself from herbivores, plants ______

Chemistry

2 answers:

Lelu [443]3 years ago

4 0

C. both secrete toxins and have thorns

9966 [12]3 years ago

3 0

C.) both secrete toxins and have thorns (It simply depends on what kind of plant it is)

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Heat energy is transferred by conduction whenever molecules?

joja [24]

I think the answer is D

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3 years ago

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Forces and Motion:Question 1

defon

Answer:

Velocity = 12 km/h

Explanation:

Velocity can be defined as the division between distance traveled and the time it took for that distance to be traveled:

Velocity = Distance / Time

With the above information in mind, we can calculate the velocity of the bicycle:

Velocity = 18 km / 1.5 h

Velocity = 12 km/h

Thus the velocity of the bicycle is 12 kilometers per hour.

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2 years ago

Consider the following reaction where K. = 154 at 298 K: 2NO(g) + Brz(9) 2NOBr(g) A reaction mixture was found to contain 2.69x1

bekas [8.4K]

Explanation:

$2NO(g) + Br_2(g)\rightleftharpoons 2NOBr(g)$

Equilibrium constant of reaction = $K=154$

Concentration of NO = $[NO]=\frac{2.69\times 10^{-2} mol}{1 L}=2.69\times 10^{-2} M$

Concentration of bromine gas = $[Br_2]=\frac{3.85\times 10^{-2} mol}{1 L}=3.85\times 10^{-2} M$

Concentration of NOBr gas = $[Br_2]=\frac{9.56\times 10^{-2} mol}{1 L}=9.56\times 10^{-2} M$

The reaction quotient is given as:

$Q=\frac{[NOBr]^2}{[NO]^2[Br_2]}=\frac{(9.56\times 10^{-2} M)^2}{(2.69\times 10^{-2} M)^2\times 3.85\times 10^{-2} M}$

$Q=328.06$

$Q>K$

The reaction will go in backward direction in order to achieve an equilibrium state.

1. In order to reach equilibrium NOBr (g) must be produced. False

2. In order to reach equilibrium K must decrease. False

3. In order to reach equilibrium NO must be produced. True

4. Q. is less than K . False

5. The reaction is at equilibrium. No further reaction will occur. False

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3 years ago

Precipitation _____. occurs equally all over the globe. is the change in state from a gas to a liquid. happens when ice changes

babunello [35]

Precipitation exceeds evaporation over the land.

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3 years ago

PLEASE HELP DUE SOON> WILL MARK BRAINLIEST 50 POINTS

Rainbow [258]

Methane CH4
ethane C2H6
propane C3H8
Butane C4H10
pentane C5H12

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3 years ago

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