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GREYUIT [131]
2 years ago
14

1. Which trait is most likely to be passed on to its organism’s offspring?

Chemistry
1 answer:
mart [117]2 years ago
4 0

Answer:Evolution

Evolution is the process by which populations of organisms change over generations. … If a trait is advantageous and helps the individual survive and reproduce, the genetic variation is more likely to be passed to the next generation (a process known as natural selection).

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The gas law for an ideal gas at absolute temperature T (in kelvins), pressure P (in atmospheres), and volume V (in liters) is PV
allsm [11]

Answer:

The rate of change of the temperature is 0.0365 Kelvin per minute.

Explanation:

<u>Step 1</u>: Given data

ideal gas law: P*V = n*R*T

with P= pressure of the gas ( in atm) = 9.0 atm

with V= volume of the gass (in L) =12L

with n = number of moles = 10 moles

R = gas constant = 0.0821 L*atm* K^−1*mo^−1

T = temperature = TO BE DETERMINED

The volume  decreases with a rate of 0.17L/min = dV/dT  = -0.17

The pressure increases at a rate of 0.13atm/min = dP/dT

<u>Step 2:</u> The ideal gas law

P * [dV/dT] + V * [dP/dT] = nR * dT/dt

9 atm * (-0.17L/min) + 12L * 0.13atm/min = 10 moles * 0.0821 L*atm* K^−1*mo^−1 *dT/dt

0.03 = 0.821 * dT/dt

dT/dt = 0.03/0.821

dT/dt = 0.0365

Since the gas constant is expressed in Kelvin and not in °C, this means that <u>the rate of chagnge of the temperature is 0.0365 Kelvin per 1 minute.</u>

7 0
3 years ago
How do acquired characteristics differ from adaptations
SOVA2 [1]

Answer:

acquired traits are traits that organisms develops over a lifetime. adaptation are trait that enhances an organism's ability to survive and reproduce in its environment.

5 0
2 years ago
What is a nebula? A dead star, a baby star, or a place where stars are born.
masha68 [24]

Answer:

neblua is a place for baby stars when they're born

Explanation:

a nebula is a gaseous cloud formed from dead stars. this works as a nursery for baby stars.

hope this helps:)

8 0
2 years ago
two kilogram of nasialo4 zeolites are used in a water filter to remove calcium. after complete ion exchange the zeolite is remov
defon

After ion exchange with zeolite in water filter to remove calcium by substitute natrium ion with calcium ion, the weight of zeolite become 1.9578 kg.

ion exchange calculation can be done by using basic stoichiometry if we know how the reaction of the ion exchange. In this case where zeolite with natrium ion will be exchanged with calcium. The reaction of exchange will be like this:

2NaSiAlO_{4} + Ca^{2+} ⇒ Ca(SiAlO_{4}) _{2} + 2Na^{+}

Calculate the molecule weight of both zeolite
Atomic weight data:
Na = 23 gram/mole

Si = 28 gram/mole

Al = 27 gram/mole

O = 16 gram/mole

Ca = 40 gram/mole

Molecule weight

NaSiAlO_{4} = 142 gram/mole

Ca(SiAlO_{4}) _{2} = 278 gram/mole

Calculate mole from 2kg of zeolite with natrium :

2000 gram/ 142 = 14.0845 mole

Based on the stoichiometry, we got the mole of zeolite with calcium:

14.0845 mole x 1/2 = 7.0423 mole

Weight of zeolite after the ion exchanged with calcium:

7.0423 mole x 278 = 1957.8 gram = 1.9578 kg

Learn more about ion exchange here: brainly.com/question/28203551

#SPJ4

6 0
1 year ago
Joanne wants to study the chemical properties of a substance. Which of the following is an example of a chemical property?
Eddi Din [679]

Answer:

observe if it reacts with acids

Explanation:

Because whether it reacts is determined by its chemical properties

4 0
2 years ago
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