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vfiekz [6]
3 years ago
14

Ecology is defunded as the environment study of

Chemistry
2 answers:
stiks02 [169]3 years ago
7 0

Answer:

sicoligy

Explanation:

Black_prince [1.1K]3 years ago
6 0

this answer was wrong sorry

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What is the energy of a single photon of blue light with a wavelength of 488 nm (488 × 10-9 m)?
Vinvika [58]
E = hf

c = speed of electromagnetic wave, c ≈ 3 * 10⁸ m/s, 
Planck's constant h = 6.63 *10⁻³⁴ Js

h = Planck's constnat,  Frquency, f = c/λ = (3*10⁸)/(488*10⁻⁹)

E = hf

E = hc/λ

E = (6.63 * 10⁻³⁴ * 3 * 10⁸) /(488 * 10⁻⁹)

Energy, E ≈ 4.0758 * 10⁻¹⁹  Joules.
3 0
3 years ago
Read 2 more answers
Help me with these two please​
prohojiy [21]

Answer:

13.A

14.B?

on 14 i don't know

Explanation:

3 0
2 years ago
Read 2 more answers
PROBLEMS
AlekseyPX

Answer:

1.) 0.1 M

2.) 0.2 M

3.) 1 M

4.) Solution #3 is the most concentrated because it has the highest molarity. This solution has the largest solute to solvent ratio. The more solvent there is, the lower the concentration and molarity.

Explanation:

To find the molarity, you need to (1) convert grams NaOH to moles (via molar mass from periodic table) and then (2) calculate the molarity (via the molarity equation). All of the answers should have 1 sig fig to match the given values.

Molar Mass (NaOH): 22.99 g/mol + 16.00 g/mol + 1.008 g/mol

Molar Mass (NaOH): 39.998 g/mol

4 grams NaOH           1 mole
----------------------  x  ------------------  = 0.1 moles NaOH
                                 39.998 g

1.)

Molarity = moles / volume (L)

Molarity = (0.1 moles) / (1 L)

Molarity = 0.1 M

2.)

Molarity = moles / volume (L)

Molarity = (0.1 moles) / (0.5 L)

Molarity = 0.2 M

3.)

Molarity = moles / volume (L)

Molarity = (0.1 moles) / (0.1 L)

Molarity = 1 M

7 0
1 year ago
What will most likely happen in the absence of a vacuole?
Anon25 [30]

The cell will not store food, water, nutrients, and waste.

Explanation:

In the absence of a vacuole in a cell, the cell will not be able to store food, water, nutrients and its wastes.

The vacuole provides a storage medium for the products in the cell. It is a very important cell structure.

They store food and are both found in both plant and animal cells

*Genetic information are transmitted by the nucleus

* Energy is produced in the mitochondria

* Photosynthesis takes place using the chloroplast

learn more:

Cell brainly.com/question/4493579

#learnwithBrainly

6 0
3 years ago
Difine the term compound​
AlexFokin [52]

Answer:

Its when like two pure substances are like combined into one.

Explanation:

8 0
2 years ago
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