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3 years ago

Which is more advantageous: natural selection or artificial selection? Why?

Chemistry

1 answer:

Lena [83]3 years ago

3 0

Answer:

have a good day

Explanation:

natural because it is very fun to learn about plant and artifical is kinda boring

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The___ step in balancing a chemical equation is to take inventory or count atoms on the reactant & the product side.

Kazeer [188]

Answer: The first step in balancing a chemical equation is to take inventory or count atoms on the reactant & the product side.

Explanation:

***If you found my answer helpful, please give me the brainliest. :) ***

6 0

3 years ago

What is the volume of 1.4 mol of nitrogen gas at STP?

zaharov [31]

Answer:

31.36 Liters

Explanation:

1 mole is equal to 22.4 liters at STP so you can use the equation

1.4 moles * 22.4 liters

to find the volume.

6 0

3 years ago

All living things are made up of molecules that have carbon. O True O False

Paha777 [63]

Answer:

True

Explanation:

Because Carbon is the primary component of macromolecules, including proteins, lipids, nucleic acids, and carbohydrates.

6 0

2 years ago

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Given the following equilibrium constants: Kb B(aq) + H2O(l) ⇌ HB+(aq) + OH−(aq) 1/Kw H+(aq) + OH−(aq) ⇌ H2O(l) What is the equi

bija089 [108]

Answer: The value of $K_c$ for the net reaction is $\frac{K_b}{K_w}$

Explanation:

The given chemical equations follows:

Equation 1: $B(aq.)+H_2O(l)\rightleftharpoons HB^+(aq.)+OH^-(aq.);K_b$

Equation 2: $H^+(aq.)+OH^-(aq.)\rightleftharpoons H_2O(l);\frac{1}{K_w}$

The net equation follows:

$B(aq.)+H^+(aq.)\rightleftharpoons HB^+(aq.);K_c$

As, the net reaction is the result of the addition of first equation and the second equation. So, the equilibrium constant for the net reaction will be the multiplication of first equilibrium constant and the second equilibrium constant.

The value of equilibrium constant for net reaction is:

$K_c=K_1\times K_2$

We are given:

$K_1=K_b$

$K_2=\frac{1}{K_w}$

Putting values in above equation, we get:

$K_c=K_b\times \frac{1}{K_w}=\frac{K_b}{K_w}$

Hence, the value of $K_c$ for the net reaction is $\frac{K_b}{K_w}$

7 0

3 years ago

What happens when metamorphic rock becomes igneous rock?

Nookie1986 [14]

D. metamorphic rock melts and crystallizes to become igneous rock

8 0

3 years ago

Read 2 more answers