Justify water is compound

Answers

Answer 1

Answer: Water is a compound. A compound is made up of two or more elements. In the case of water, or H2O, there are 2 hydrogen atoms present and 1 oxygen atom. I hope this helps you on your assignment. Good luck!

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Which of these is an appropriate instrument to measure mass? balance, burette, ruler, graduated cylinder

Answers

Answer: balance

Explanation:

Mass is a physical property of a body. It is the measure of resistance of acceleration that a body offers. It is also determined by the strength of gravitational attraction between two or more bodies. The SI unit of mass is the kilogram or gram.

A balance is a device which can be used to measure the accurate mass of the body. The electrical balance has a digital screen which gives the measurements in kilograms or grams in digits.

The answer is balance because you try to make the point hit square in the middle and you measure how much grams it has when you do hit the middle. Hope this helps.

Why are cells small?

Answers

Because if a cell grows beyond a certain limit, not enough material will be able to cross the membrane fast enough to accommodate the increased cellular volume.
They are also small so they can maximize the ratio of surface area to volume. Smaller cells have a higher ratio which allows more molecules and ions move across the cell membrane per unit of cytoplasmic volume.

basically cells are small because they need to be able to get the nutrients in and waste out quickly.

Answer:

you know what i really dont know but imagine if they were huge

Explanation:

How many mole are in 2.84*10^22 molecules of h2

Answers

Avogadro's Number and the Mole. The mole is represented by Avogadro's number, which is 6.022×1023 atoms or molecules per mol.

Then there will be an increase in the demand for most goods.If there is an increase in
А consumer price
B. production cost
C. quantity supply
D. consumer income
Please select the best answer from the choices provided
OA
OB
С
&
D

Answers

Answer:

d)consumer income

Explanation:

Answer:

D. consumer income

Explanation:

Edge 2020

Would you expect the water or sugar solution to have the most supercooling? WHY? PLEASE HELP

Answers

Answer:

The water solution

Explanation:

Super freezing occurs when energy is quickly withdrawn from a liquid and it cools below the solidification temperature. This phenomenon occurs due to the fact that the cooling is very fast and does not occur the formation of an initial "point" or crystal, which is generally formed to start the freezing. A small crystal formed will attract the molecules nearby, forming a large crystal, that is, the frozen liquid.

The sugar solution should be distilled so that Super Cooling occurs more efficiently than the water solution because the presence of the sugar would create nucleation points and allow the formation of ice crystals. The super cooled water solution turns very quickly into ice, much faster than the sugar solution. It is also possible to supercooled the water after the homogeneous nucleation point, in which case it eventually solidifies into a type of glass.

Supercooled water can be prompted to trun into ice by tends to make it more difficult to achieve low nucleation Trehalose and other sugar solutions at low.

Which statement about subatomic particles is true?Protons are the only subatomic particles to have charge.
Electrons are the subatomic particles with the smallest mass.
Neutrons orbit the nucleus of the atom.
Subatomic particles all have the same mass.

Answers

The second option - electrons are the subatomic particles with the smallest mass.

Both protons and electrons have charge (protons are positive and electrons are negative)

Protons and neutrons both equal 1 amu (atomic mass unit), whereas electrons weigh about 1/1000 amu

Electrons orbit around the nucleus, whereas protons and neutrons are inside of the nucleus

And for the last option, I already answered it

Answer:

The second option - electrons are the subatomic particles with the smallest mass.

Explanation:

Other Questions

a. How much energy is needed to raise the temperature of a 75 g sample of aluminum from 22.4°C to 94.6°C?

Which element is classified as an alkali metal? Rb Sr Zr Cl

As atomic number increases within Group 15 on the Periodic Table, atomic radius(1) decreases, only(2) increases, only(3) decreases, then increases(4) increases, then decreases

ICl has a higher boiling point than Br2. What is the best explanation for this?a.)Br2 experiences dipole0dipole interactions. b.)ICl experiences dipole0dipole interactions. c.)Br2 forms hydrogen bonds. d.)ICl experiences induced dipole0induced dipole interactions.