The bowl of fruit has a mass of 2.2 kg.
What net force must act on the bowl of fruit to make it accelerate to the right
at a rate of 4.4 m/s2? (Hint: Use F = ma.)
A. F = 9.68 N right
B. F = 9.68 N left
C. F = 6.60 N left
D. F= 6.60 N right

Answer:

It will be solid

Explanation:

-78 C° is the freezing point of carbon dioxide, so at the temperature of -78 Celsius, the particles of carbon dioxide will come closer together and have about a fixed position to vibrate. The carbon dioxide will turn into solid. The solid form of carbon dioxide is also called dry ice.

Answer: They are arranged by atomic number.

Explanation:

At the upper left is the atomic number, or number of protons. In the middle is the letter symbol for the element (e.g., H). Below is the relative atomic mass, as calculated for the isotopes found naturally on Earth. At the very bottom is the name of the element (e.g., hydrogen).

Answer:

It contains 12 electrons.

The mass of water decomposed to produce 50 g oxygen has been 56.28 g. Thus, option D is correct.

The reaction for the decomposition of water has been:

[tex]\rm 2\;H_2O\;\rightarrow\;H_2\;+\;O_2[/tex]

From the balanced equation, 2 moles of water decomposes to form 1 moles of hydrogen and 1 mole of oxygen.

The mass of oxygen produced has been 50 g. The moles of oxygen has been given by:

[tex]\rm Moles=\dfrac{mass}{molar\;mass}[/tex]

The moles of oxygen has been:

[tex]\rm Moles_O_2=\dfrac{50}{32}\;mol\\Moles_O_2=1.5625\;mol[/tex]

The moles of oxygen produced has been 1.5625 mol.

The moles of hydrogen decomposed has been given from the balanced chemical equation as:

[tex]\rm 1 \;mole\;O_2=2\;mole\;H_2O\\1.5625\;mol\;O_2=1.5625\;\times\;2\;mol\;H_2O\\1.5625\;mol\;O_2=3.125\;mol\;H_2O[/tex]

The moles of hydrogen decomposes has been 3.125 mol.

The mass of hydrogen decomposed has been given by:

[tex]\rm Mass=moles\;times\;molar\;mass\\Mass_{H_2O}=3.125\;\times\;18.01\;g\\Mass_{H_2O}=56.28\;g[/tex]

The mass of water decomposed to produce 50 g oxygen has been 56.28 g. Thus, option D is correct.

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The energy in the bonds in glucose will be broken down and transferred to ATP molecules.

Cellular respiration is the process by which living organisms obtain energy by breaking down food molecules in their cells.

The equation for cellular respiration is as follows:

C6H12O6 + 6O2 → 6CO2 + 6H2O + ATP

Based on the illustration using the above equation, the energy stored in the bonds of glucose molecule is broken down and used to synthesize ATP molecules.

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When the egg first forms it's only one cell, and is fertilized as it moves down the oviduct to be laid

__________________________________________________________

this point it's technically an embryo : though it doesn't look like a baby chick

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Answer:

To identify a pure liquid substance using the physical properties of solubility, density, and boiling point. The physical properties of a pure substance can be measured without changing the composition of the substance.

Explanation:

Answer: Ammonia, an alkaline chemical, is used to raise the pH level (it's levels of acidity) of our hair during the colouring process. This then lifts the cuticles of the hair fibre and allows the colour to be deposited onto the cortex (the inner part of the hair protected by the cuticles). In hair coloring products, ammonium hydroxide is used to support the lightening action of hydrogen peroxide and to prepare hair to accept color pigments. Alkaline properties of ammonia raise the cuticle and allow peroxide and dye molecules to penetrate the hair shaft. (creds to the internet)

Explanation: Hope this helps! :D

1. mol = 77.56/100 = 0.7756 mol

2. mol = 2.55 × 10^24/6.02 × 10^23 = 4.236 mol mass = 4.236 × 74.5 = 315.582 g

3. mass = 0.0931 × 208.3 = 19.393 g

4. mol = 1.55 × 10^22/6.02 × 10^23 = 0.0257 mol

5. molecules = 0.664 × 6.02 × 10^23 = 3.997 × 10^23 molecules

6. mol = 86/242 = 0.355 mol

7. mol = 7.88 × 10^23/6.02 × 10^23 = 1.309 mol mass = 1.309 × 44 = 57.596 g

8. mass = 7.56 × 62 = 468.72 g

9. mol = 7.56/84 = 0.09 mol

10. mol = 8.55 × 10^21/6.02 × 10^23 = 0.014 mol mass = 0.014 × 58.5 = 0.819 g

recheck to ensure all answers are correct

Answer:

use other websites u might have luck and find ur anwer

Explanation:

(

−

5

2

)

−

1

(

−

5

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1

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=

24

−

4

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−

6

(−5+1)

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24

=−6

Answer:

10.09 grams

Explanation:

First you need to know the number of moles you are dealing with.

If you know that each mole has 6.022x10²³ of something (in this case of atoms), you can divide 3x10²³ atoms of neons by 6.022x10²³ to obtain the number of moles.

You have 0.5 moles of Neon, so then by the periodic table, you see that the molar mass of neon is 20.18g/mol, so by each mole you have 20.18 grams of neon. Multiply 20.18 grams by 0.5 moles and you got 10.09 grams of Neon

Answer:

Explanation:  encourage your legislators to support land acquisition programs such as Florida Forever and the Rural and Family Lands Protection Program.

Answer:

D

Explanation:

Protons and Neutrons both have a mass of about 1 amu so you add them but electrons have a mass of 0 amu so they are left out.

The statements which accurately describe the particles in differing states include:

Gases have the greatest kinetic energy which explains why its particles

move very rapidly and randomly when compared to other states of matter.

Conversion from solid to liquid or liquid to gas requires more energy being

added.

The particles in solids are tightly packed with very restricted movements

which is why they are able to vibrate at a place.

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Answer:

Hope this answer helps

Explanation:

Answer:

Electrons

Explanation:

Because the nucleas is In the middle and the Electrons surround it

Answer:

a hydrogen atom contains only one proton in it's nucleus, while atoms of all other elements contain more than one proton

Brainliest plzz

Answer:

The conjugate base of a very weak acid is stronger than the conjugate base of a strong acid.  

Explanation:

The stronger the acid, the weaker its conjugate base and vice versa  A very weak acid has a very strong conjugate base.

Answer:

Chlorine

Explanation:

Chlorine has a valence shell of 7 electrons and chlorine is smaller in size, so it has a stronger pull/attraction on the electrons than Silicon.

18. the blank should be "[tex]CO_{2}[/tex]"

19. the question seems to be answered.

20. [tex]CH_{3}[/tex]

A side reaction occurs when acid is added to the system, so the species reacts with the acid is base.

Acids are those species which have a pH range in between 0 to 7, generally acids are present with hydrogen atom in their molecular formula.

If in any reaction after adding the acid, side reaction wiull occur then in this condition base will reacts with the acid as it has the opposite behavior as of acid and formation of salt & water molecules takes plavce.

Hence the needed species is base.

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Answer:

He put segregationists in charge of federal agencies...

Explanation:

...

Answer:

He placed segregationists in charge of federal agencies.

Explanation:

Answer:

No, ionic compounds are crystals of infinite cations and anions bound together. There is no “molecule” of ionic compounds such as, for example, NaCl, because there are no single units of the compound.

Explanation:

Ionic compounds are not considered to be molecules because they do not consist of discrete, covalently bonded units like molecules.

In ionic compounds, the bonding occurs through the transfer of electrons from one atom to another, resulting in the formation of ions. These ions are held together by strong electrostatic attractions, known as ionic bonds.

Unlike molecules, which are formed by the sharing of electrons in covalent bonds, ionic compounds do not have individual units with fixed numbers of atoms. Instead, they exist as a three-dimensional lattice structure composed of alternating positive and negative ions. The ions are arranged in a repeating pattern throughout the crystal lattice.

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Answer:

numbers of molecules = 3×6.023×10-23