Which of the following is a liquid someone help!!!!!

Answer:32

Explanation:

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Answer:

B : 127m/s

Explanation:

= 500 ÷ 3.92

= 127.5

Answer:

its c I think C)

The reason for this is due to the phenomenon called "Charging by Induction". What that means is that when something with a charge, for example a negative charge, is brought near an uncharged one, it induces the opposite charge onto it (positive in this case) and therefore since opposites attract, it attracts it.

The reason for this is that since, just like a positive magnet rejects and pushed away like charges, the electrons hold a negative charge, they push away any electrons that may be in the neutrally charged item causing only protons to be left, thus creating an oppositely charged object. Or vice versa.

So whatever charge the object has, it induces the opposite charge into the uncharged object, causing the charges to move only in the uncharged one.

Explanation:

Answer:

i think the answer is C

Explanation:

if wrong im sorry

The rate of diffusion change would increase if the PO₂ in the capillaries was 40 mmHg and the PO₂ in the muscle cell changed from 40 to 20 mmHg.

Simple diffusion is the movement of molecular substances from a region of higher concentration to lower concentration. The mechanism with which the movement of O₂ travels from the blood to the body tissues takes place with the use of simple diffusion.

Now, if PO₂ changes from 40 → 20 mmHg in the muscle cells, and the PO₂ in the blood = 40mmHg. It implies that the pressure gradient(P) has increased. As such, there is an increase in the rate of diffusion of oxygen from the blood to muscle cells.

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Answer:

Thermal Energy

Explanation:

Thermal energy is the total internal kinetic energy of an object due to the random motion of its atoms and molecules They consist of the sum of the internal kinetic energy (thermal energy) and the potential energy of an object.

Answer:

B. thermal energy.

Thermal energy or heat is due to the movement or vibrations of tiny particles such as atoms and molecules.

Explination:

Einstein proved the existense of atoms through his observation of Brownian Motion (the random movement of a dust particle, caused by it bumping into atoms).

Answer: During a chemical change, the composition of matter always changes

Explanation:

hope it helps

Answer:

Use Boyles law.

Given:

P1=3atm

V1=275mL

P2=1.8atm

V2=?

P1V1=P2V2

3x275=1.8xV2

V2=3x275/1.8

V2=458.3mL

Answer:

Alkali metals are highly reactive metals. These metals are that much reactive that they can even explode in the air as well. When alkali metals and water react with each other, there is a formation of metal hydroxide and the evolution of hydrogen gas.

The general representation of metal is A. so, the general equation for the reaction of an alkali metal with water is given below.

2A(solid)+2H2O(liquid) -------> 2AOH(aqeous)+H2(gas)

Answer:

b

Explanation:

Answer:

Among the given substances, the one that cannot be broken down by a chemical change is arsenic.

Explanation:

Rawr

Answer:

the substances that cannot be broken down by a chemical change is arsenic.

Explanation:

As we know, salt and water have different boiling points. Hence, we can use the "evaporation" technique to separate salt from salt solution. For this, one has to simply heat the salt solution till all the water boils and evaporates, and salt is left behind.

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Answer:

4. dwarf planet

Explanation:

Answer:

Decomposition reaction

Explanation:

2PbO2 → 2PbO + O2

2PbO2 is reactant.

2PbO + O2 is the product.

Definition : -

Decomposition reaction is a chemical reaction in which a single reactant breaks down to simpler products.

Answer:

10 pounds

Explanation:

If the moon has 1/6 the gravity of earth, divide your weight on earth by 6 to find your weight on the moon

60 / 6 = 10 pounds

Answer:

All compounds form when atoms of different elements share or transfer electrons. Compounds in which electrons are transferred from one atom to another are called ionic compounds.

Explanation:

Because the positive and negative charges cancel out, an ionic compound is neutral in charge.

Answer:

halogens group 7A on the periodic

table

Answer:

2C6H6

Explanation:

C6H6 + O2 = CO2 + H2

2C6H6 + 15O2 → 12CO2 + 6H2O

Answer:

This symbol indicates that hazardous products with this pictogram are gases that are contained in a receptacle under pressure, or which are liquefied or liquefied and refrigerated. The hazards presented by these products are related to the high pressure or cold temperatures.

Hazardous products with this pictogram can be safely worked with if proper storage and handling practices are followed.

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The main precaution to take if a gas cylinder sign is present in the lab is Check sure the gas cylinder remains constrained visually, but remain a good distance from it.

A gas cylinder is indeed a pressure vessel used to store and confine gases at pressures higher than atmospheric pressure. Bottles are another name for high-pressure gas cylinders.

Based on the physical properties of the contents, the held contents may be compressed gas, vapour over liquid, working fluid, as well as dissolved in a substratum inside the cylinder.  The main precaution to take if a gas cylinder sign is present in the lab is Check sure the gas cylinder remains constrained visually, but remain a good distance from it.

Therefore, the precaution is to Check sure the gas cylinder remains constrained visually, but remain a good distance from it.

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Answer: group 7

Explanation:

Answer:

C. When the objects are oppositely charged

Explanation:

Electrostatic interactions are commonly observed whenever one or more objects are electrically charged. Two oppositely-charged objects will attract each other. A charged and a neutral object will also attract each other. And two like-charged objects will repel one another.

From Bing, this is not my work

Answer:C

Explanation:

CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC! lol i think its c

Answer:

D is the correct option.

Explanation:

A seismograph detects seismic waves which travel through the Earth, that is mainly rock(taking from the options given)

Answer:

It is just rock!

Explanation:

Answer:

a).

Explanation:

precise electron locations cannot be calculated, only predicted based on previous calculations. they cannot know whether or not an electron will be or will not be somewhere specific

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Answer:

c. valence electrons

Explanation:

Answer:

sup brö how is it back home?

Explanation:

just curious you know

Answer:

A

Explanation: