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3 years ago

.

1 answer:

4 0

INTERVENTION facilitates a safe environment free of sexual harassment and assault. The correct option is A. Sexual assault is any intentional sexual contact characterized by the use of force, physical threat or abuse of authority without the consent of the victim. Sexual assault is a crime and the government must intervene to see that offenders are maximally punished.

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Cell theory has 3 basic parts:

zimovet [89]

Answer:

its all organisms are

composed of

cells.

5 0

2 years ago

After bacteria cells go through bionary fissions are the new cells identical to the parent t cell

Dovator [93]

Answer:Yes

Explanation:

Binary fission is a type of asexual reproduction where a parent cell divides, resulting in two identical cells.

3 0

2 years ago

Lactose is a disaccharide formed by the formation of a ________ bond between glucose and ________.

alexira [117]

Answer:

glycosidic; galactose.

Explanation:

Lactose is also known as table sugar. Lactose is present naturally in milk and a water soluble sugar.

Lactose is a disaccharide sugar made up of glucose unit. The lactose consists of glucose and galactose linked through the beta 1,4 glycosidic linkage.

Thus, the correct answer is option (2).

5 0

3 years ago

How many grams of urea (non volatile, non electrolyte) must be added to 1250. g water to give a solution with a vapor pressure l

Lady bird [3.3K]

Answer:

$\large\boxed{\large\boxed{107g}}$

Explanation:

The vapor pressure lowering is a colligative property and it follows Raoult's law.

The vapor pressure lowering of a solvent in a solution, ΔP, is equal to the mole fraction of the solute, Xsolute, multiplied by the vapor pressure of the pure solvent, P°.

$\Delta P=X_{solute}\times P^0$

ΔP and P⁰ are given:

ΔP = 1.39mmHg

P⁰ = 55.32mmHg

1. Mole fraction of solute

Thus, you can calculate Xsolute:

$1.39mmHg=X_{solute}\times 55.32mmHg\\\\X_{solute}=0.02513$

2. Moles of solute

Now you can calculate the number of moles of water and the number of moles of solute.

Number of moles of water = mass in grams / molar mass

Number of moles of water = 1,250g/18.015 (g/mol) = 69.3866mol

Xsolvent = 1 - Xsolute = 1 - 0.02513 = 0.97487

Xsolvent = moles of solvent / moles of solution

0.97487 = 69.3866mol / moles of solution

moles of solution = 71.1752mol

moles of solute = moles of solution - moles of solvent = 71.1752mol - 69.3866mol = 1.7886mol

3. Mass of urea

Formula:

Mass = number of moles × molar mass

Mass = 1.7886 mol × 60.06 g/mol = 107.42 g

You must round to 3 significant figures: 107 g

8 0

2 years ago

9th grade biology help meeeeeeeplease

Arturiano [62]

1. The water will leave the cell.

Hypertonic solution

2. There will be no net movement of water.

Isotonic solution

3. The water will leave the cell.

Hypertonic solution

4. The water will enter the cell.

Hypotonic solution

5. I predict that the water will move into the cell because inside the cell, the concentration of water molecules is less than that of outside the cell. According to the process of osmosis, water moves from a region of high water concentration to a region of low water concentration.

Thank you

7 0

2 years ago