[30 POINTS PLEASE HELP ASAP DUE TODAY]4.) Were you able to think of a nonliving thing with each characteristic? What examples did you think of?

Please no trolls, or I will have to report--

Answers

Answer 1

Answer: Non-living things don’t have the ability to move, grow, and reproduce. Examples of non-living things:

Rock
Well
Pie

Answer 2

Answer:

Yes. I was able to think of non-living things suck as, a table and a chair and a countertop.

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What is the [H3O+] in a solution with [OH-] = 2.5 x 10-2 M?a.) 4.0 x 10-^12
b.) 4.0 x 10-^2
c.) 2.5 x 10-^2
d.) 4.0 x 10-^13

Answers

Answer: The $[H_3O^+]$ in a solution is $4.0* 10^(-13)$

Explanation:

pH or pOH is the measure of acidity or alkalinity of a solution.

pH is calculated by taking negative logarithm of hydrogen ion concentration.

To calculate the pOH of the solution, we use the equation:

$pOH=-\log[OH^-]$

We are given:

$OH^-=2.5* 10^(-2)$

Putting values in above equation, we get:

$pOH=-\log[2.5* 10^(-2)]=1.60$

$pH+pOH=14$

$pH=14-1.60=12.4$

$12.4=-\log[H_3O^+]$

$[H_3O^+]=4.0* 10^(-13)$

The $[H_3O^+]$ in a solution is $4.0* 10^(-13)$

Final answer:

The concentration of H3O+ in a solution with OH− concentration of 2.5 x 10-2 M is 4.0 x 10^-13 M, based on the relationship between H3O+ and OH− in acid-base chemistry.

Explanation:

The question asks for the concentration of hydronium ion ([H3O+]) in a solution with a hydroxide ion concentration ([OH−]) of 2.5 x 10-2 M. This falls under the topic of acid-base chemistry, where the product of [H3O+] and [OH−] is always equal to Kw, the ionic product of water.

In this case, the formula we use is [H3O+] = Kw / [OH–]. Assuming Kw is 1.0 x 10-14 (which is true at 25 degree Celsius), the calculation is [H3O+] = (1.0 x 10^-14) / (2.5 x 10^-2). The answer will be: 4.0 x 10^-13 M.

Therefore, the concentration of [H3O+] in the given solution is 4.0 x 10^-13 M, which matches option d.) 4.0 x 10^-13.

Learn more about Acid-Base Chemistry here:

brainly.com/question/13845995

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Can wind energy be used in transportation

Answers

yes because the wind energy can power a gas pump, then the gas would go into some form of automobile

Yes and yes i seen a sialbout hope i helped

How many atoms are in 3.20 moles of carbon

Answers

Answer:

19.264× $10^(23)$ atoms are present in 3.2 moles of carbon.

Explanation:

It is known that one mole of each element is composed of Avagadro's number of atoms. This is same for all the elements in the periodic table.

So, as 1 mole of any element = Avagadro's number of atoms = 6.02× $10^(23)$ atoms

It is as simple as understanding a dozen of anything is equal to 12 pieces of that object.

As here the moles of carbon is given as 3.20 moles, the number of atoms in this mole can be determined as below.

1 mole of carbon = 6.02 × $10^(23)$ atoms

Then, 3.20 moles of carbon = 3.20 × 6.02 × $10^(23)$ atoms

Thus, 19.264× $10^(23)$ atoms are present in 3.2 moles of carbon.

28)Many people avoid processed food to eliminate unnecessary ingredients like food dyes and excess sodium from their diets. A
study calculated that every 70.0 g serving of a certain brand of Mac & Cheese contains 260 calories, 3 g of fat, 16 g of
carbohydrates, 9 g of protein, 570 mg of sodium, and 17.6 mg of food dyes. What is the mass percent of sodium in the Mac &
Cheese?
0.8149
12.3%
25.1%
45.6%

Answers

Answer:

0.8149

Explanation:

an, 13 Students set up two environments see which one best supports growth of hibiscus flowers. One environment is created as a desert, using The plant is exposed to high temperatures. The a tropical other environment is create exposing the forest, using soil and the plant to high temperatures. What is variable used in the investigation? 5.2(A) CA The temperature The environmen The type of flower The amount of sunlight in D

Answers

B. The Enviroment. The Soil and Humidity are differant. They both have high tematures, they use the same flowers in both, Hibiscus. The tropical environent should help the Hiviscus grow better.

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