What is the answer?? I need help

Answer:

oh coooool

I have one Id it is on ace with maybe 5800 points

maybe this picture will help in something

Answer: increase the temperature of the toaster oven.

Explanation:

Answer:

theres no picture

Explanation:

Answer:

the answer to your problem is A.Subscript...BRAINLIEST

Answer:

Divide; mass.

Explanation:

The acceleration of an object is equal to the net force exerted on the object divided the object's mass. This theory is known as Newton's second law of motion.

Force is given by the multiplication of mass and acceleration.

Mathematically, Force is;

[tex] F = ma[/tex]

Where;

F represents force.

m represents the mass of an object.

a represents acceleration.

Making acceleration (a) the subject, we have;

[tex]Acceleration (a) = \frac{F}{m}[/tex]

Therefore, the acceleration of an object is equal to the net force exerted on the object divided the object's mass.

The acceleration of an object is equal to the net force exerted on the object divided by the object's mass.

The net force applied to an item divided by its mass gives the object's acceleration.

To put it another way, the equation that connects mass (m), net force ([tex]F_{net[/tex]), and acceleration (a) is:

a = [tex]F_{net[/tex] / m

This equation is derived from Newton's second rule of motion, which states that an object's acceleration is inversely proportional to its mass and directly proportional to the net force acting on it.

Thus, it shows that an item accelerates more quickly the more net force that is applied to it, and that an object accelerates more quickly the more mass that is added to it.

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Answer:

1 hour

Explanation:

Answer:

Why?  Because of electron shells.  Technically, they're not fully inert.  They have very low reactivity potential, and can only be forced to become reactive with difficulty.

Explanation:

All chemical reactivity is made possible through the atom's electron arrangement.  Electrons basically have shelves where they live, called "levels" or "shells".  Each level is farther from the nucleus than the previous one.  Atoms are most stable when their outer most shell (called the valence shell) is full.  Atoms with an incomplete shell will react with other atoms, in an attempt to either fill out the outer shell, or to rid itself of it's valence electrons so that that previous level becomes a full valence level.  If the valence shell ils already full, the atom will not be inclined to create compounds.

The first shell can hold up to two electrons.  After the first two electrons, any additional electrons have to begin a new shell.  The second shell can hold eight electrons before it becomes full.  Helium is the first noble gas on the periodic table, having two protons and two electrons.  Because helium's outer most shell is full, it does not react with other atoms.

By comparison, look at hydrogen and oxygen.  Oxygen has eight electrons.  The first two electrons occupy the first shell.  The remaining six go to the second shell.  This leaves the second shell with two empty spaces that can potentially be filled.  Meanwhile, hydrogen has one electron, with it's valence shell having an empty space for one additional electron.  Two hydrogen atoms give up their single electrons to an oxygen atom, so that all three end up with stable valence levels.

By the time an atom can fill out the second electron shell on it's own (10 total electrons) you end up with neon, the second noble gas.

Answer:

i dont know?

Explanation:

why are they?!?!?!?!

Answer:

Ca reducing agent

Fe2+ Oxidizing agent

Explanation:

Ca ------> Ca2+ +2electrons.

Calcium loses two electrons and oxidises itself and reduces others so Ca is a reducing agent.

Fe2+ +2electrons ------> Fe

Fe 2+ reduces itself by gaining electron and oxidizes other so Fe2+ is Oxidizing agent.

Answer: the picture is work for number 1,2,4,5,7

Explanation: number 3: as the pressure in the volume decreases, the volume increases causing it to expand and eventually blow.

number 6: because the temperature and the amount of gas don’t change, these terms don’t appear in the equation. What Boyle’s law means is that the volume of a mass of gas is inversely proportional to its pressure. This linear relationship between pressure and volume means doubling the volume of a given mass of gas decreases its pressure by half.

hope this helps :))

Answer:

25 g

Explanation:

N/No = (1/2)^t/t1/2

N= amount of radioactive material at time t

No = amount of radioactive material initially present

t= time taken

t1/2 = half life of the radioactive material

Substituting values;

N/800 = (1/2)^80/16

N/800= (1/2)^5

N/800= 1/32

32N = 800

N= 800/32

N= 25 g

Answer: Hmm.. i'll try to figure it out hang on..

Explanation:

Answer:

Mass = 12.12 g

Explanation:

Given data:

Mass of CH₄ = 48 g

Mass of H₂ produced = ?

Solution:

Chemical equation:

CH₄ →   C + 2H₂

Number of moles of CH₄:

Number of moles = mass/molar mass

Number of moles = 48 g/ 16 g/mol

Number of moles = 3 mol

Now we will compare the moles of CH₄  and H₂.

               CH₄          :           H₂

                  1             :           2

                  3            :          2/1×3 = 6 mol

Mass of  H₂:

Mass = number of moles × molar mass

Mass = 6 mol × 2.02 g/mol

Mass = 12.12 g

Answer:

B

Explanation:

Because the iron is wrong because of the contemplation of bisectors interfere with the question making it B.

Answer:

Calcium hope it helped

Explanation:

Answer:

10 m/s

Explanation:

Given

Distance travelled (d) = 100 m

Time taken (t) = 10 sec

Now

Speed (s) = d/ t

= 100/ 10

= 10 m/s

Hope it will help you :)

Answer:

Mass = 64 g

Explanation:

Given data:

Mass of water produced = 36 g

Mass of oxygen needed = ?

Solution:

Chemical equation:

CH₄ + 2O₂       CO₂ + 2H₂O

Number of moles of water produced:

Number of moles = mass/molar mass

Number of moles = 36 g/ 18 g/mol

Number of moles = 2 mol

Now we will compare the moles of water and oxygen.

             H₂O       :          O₂

                2         :           2

Mass of oxygen:

Mass = number of moles × molar mass

Mass =  2 mol × 32 g/mol

Mass = 64 g

i think its 50% bc its half of the box

Answer:

100%

Explanation:

Answer:

Bent

Explanation

Ed

Answer:

ANSWER- C: tetrahedral

Determine the molecular shape of each compound based on their Lewis structures.

CH2Cl2

bent

linear

tetrahedral

Explanation:

hope this helped :)

Answer:

12 hydrogen + 12 hydrogen = 24 hydrogen

Hydrogen was transferred from sugar and water on the left to water on the right releasing

Explanation:

Answer:

Explanation: Find moles of product formed when C2H6 is burned in excess oxygen? Mass percent of ethane in a mixture before it goes through combustion with propane. Combust to create water and co2. Using gas stoichiometry find the volume of sulfur burned in excess of oxygen: Gas pressure inside a vessel: 1.60 grams of methane (CH4) is combusted.

Kidney in our body functions as a sieve in to remove wastes. Ureter, bladder and kidney as well are part of excretory system in animals. Hence, option J.

Human body contains a group of organ systems to perform specific functions. Excretory system is an organ system for the excretion or removal of wastes after digestion form the body.

The main component of excretory system is kidney by which the wastes from the circulatory system is removed through urine. Ureter and bladder are extensions of kidney. After absorption of water and other nutrients remaining uric acid or urine is stored in the bladder to remove.

Kidney contains a number of sieve like structures called nephrons they are the filtering units of kidney.Nephrons are microscopic structural units of kidney by which wastes are filtered to produce urine and remove.

Therefore, all the given organs, kidney, ureter, bladder etc are part of excretory system and they plays a role in removing wastes from the body. Hence, option J is correct.

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Answer:

D (Decomposition)

Explanation:

This reaction is a decomposition reaction because one substance (NaNO3) is being separated into two substances (NaNO2 and O2). Alternatively, you could use the process of elimination. The reaction can't be single/double replacement because there's only one reactant, it can't be synthesis because substances are being broken down, not formed, and it can't be combustion because O2 is a product, not a reactant, and CO2 and H2O aren't being produced, as is common with combustion reactions.

Answer:

I think it's alkyne!

Please give brainliest!

The compounds containing triple bonds between carbon atoms are called alkynes. The given compounds contains one triple bond between two carbons atoms hence, it is an alkyne.

Hydrocarbons are organic compounds containing carbon- hydrogen bonds. There are three types of hydrocarbons namely alkanes, alkene and alkynes.

Alkanes are compounds containing only single bonds between all carbon atoms in the chain. Alkanes are called saturated hydrocarbons. Alkenes are unsaturated because they contains one or more double bonds between carbon atoms.

Alkynes are compounds with one or more triple bonds between carbon atoms in the chain. Alkynes are also unsaturated. The given compound contains one triple bond between a pair of carbon atoms. Thus, it is an alkyne.

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Answer:

For all atoms with no charge, the number of electrons is equal to the number of protons. The mass number, 40, is the sum of the protons and the neutrons. To find the number of neutrons, subtract the number of protons from the mass number.

Explanation:

Answer:

Letter C. Subtract the atomic number from the atomic mass

Answer: H

Explanation: