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lana [24]
2 years ago
7

Water molecules are positive on one end, negative on the other. Predict what a negatively charged balloon will do when placed cl

ose to a stream of water.
Chemistry
1 answer:
Lera25 [3.4K]2 years ago
7 0
Answer: The water (in a subtle sort of way) will now be attracted towards the balloon

I attached a picture to help make sense

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Anybody know chemistry Grahams law ?
sukhopar [10]
There is two different types but i’ll just do both meanings just incase.

Graham's Law of Diffusion: the rate of diffusion of one gas through another is inversely proportional to the square root of the density of the gas.

Graham's Law of Effusion: the rate of effusion of a gas is inversely proportional to the square root of the density of the gas.

hopes this helps..!
7 0
3 years ago
Human blood typically contains 1.04 kg/L of platelets. A 1.89 pints of blood would contain what mass (in grams) of platelets
Fynjy0 [20]

Answer:

The correct answer is 930 grams platelets.

Explanation:

The volume of blood given is 1.89 pints. Total number of gallons in 1.89 pints is,  

= 1.89/8 = 0.236 gallon

1 gallon comprise = 3.785 L

So, 0.236 gallon comprise = 0.236 * 3.785 L = 0.89 L

As mentioned that 1 Liter of blood comprise 1.04 kilograms of platelets. Therefore, 0.89 L of blood will contain = 1.04 * 0.89 = 0.93 Kg platelets

1 Kg contain 1000 grams. So, number of platelets in grams will be,  

= 1000 * 0.93 = 930 grams platelets.  

3 0
3 years ago
Which should be kept away from heat sources? Check all that apply.
Maru [420]

Answer:

loose hair, flammable clothing, and all stored chemicals especially flammable liquids., should be kept away from heat.

A fire blanket is a highly flame-resistant blanket that can be used to extinguish a small fire or to wrap around a person in case of a fire and water helps put it out too.

7 0
3 years ago
Read 2 more answers
In which of these would a nonpolar covalent bond be present? HBr H2O HCI Br2
cluponka [151]
Br2 is the correct answer
5 0
3 years ago
What is the mass of the light bulb and paperclips together? a. 250.1 g b. 246.0 g c. 251.0 g d. 205.10 g
ololo11 [35]

251.0 is the correct mass  of the light bulb and paperclips together.

<h3>What is mass ? </h3>

Mass is a physical body's total amount of matter. Inertia, or the body's resistance to acceleration when a net force is applied, is also measured by this term. The strength of an object's gravitational pull to other bodies is also influenced by its mass. The kilogram serves as the SI's fundamental mass unit.

For a body, mass is constant. Mass can be calculated using the formula: mass = volume density. A mass's weight is a measurement of the gravitational force at work on it. The kilogram is the SI unit of mass.

The mass of the substance will therefore be calculated as follows: MASS OF A SUBSTANCE = VOLUME DENSITY.

So finally we can say that the mass of the light bulb and paperclips together is 250.1g.

To know more about Mass please click here : brainly.com/question/19385703

#SPJ4

4 0
2 years ago
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