this is actually science but anyways my teacher didn't explain much can someone help?

Answer:

the answer is B

Explanation:

Answer: B!

Explanation:

B. Four moles of water were produced from this reaction.

got it right on the test :-)

Answer:

sorry I don't know  I just came for points

Explanation:

Answer:

Room temperature water

Explanation:

Neither the amount of water nor the temperature of the water has been changed.

Answer:

Outer planets are significantly colder than other planets! The answer is B.

Explanation:

The main difference between inner and outer planets is that inner planets have a high temperature compared to outer planets.

Answer:

follow the steps

Explanation:

First make a circle and write 17p and 18n below 17 p.Now again make another circle bigger than previous one and make two small circle .Again make another bigger circle and fill it with 8 small circles .Again make another bigger circle than previous ones and make 7 small circles in it .Now write e in small circles .Then write

Chlorine

Atomic number=17

Atomic weight =35

Shell k l m n

no.of e .2 1 × ×

Answer:

these gases accumulate in the atmosphere and create the heat-reflective layer that keeps the Earth at a livable temperature. These gases form the insulation that keeps the planet warm enough to support life

Explanation:

[tex]2H _{2(g)} + O _{2(g)}→2H _{2}O _{(l)}[/tex]

Insert 2 on Hydrogen then a 2 on water molecule.

Answer:

hope help you stay happy

Answer:

what the freak is thisnenejehey

Answer:

The number of electrons in the outermost shell of an atom determines its reactivity. Noble gases have low reactivity because they have full electron shells. Halogens are highly reactive because they readily gain an electron to fill their outermost shell.

Answer: placing coefficients

Explanation: In a balanced chemical equation, the total number of atoms of each element present is the same on both sides of the equation. Stoichiometric coefficients are the coefficients required to balance a chemical equation. These are important because they relate the amounts of reactants used and products formed.

Explanation:

HCOOH (aq) + H2O (l) ⇋ HCOO- (aq) + H3O+ (aq)

acid 1 base 2 base 1 acid 2

Answer:

2AlPO4(aq) + 3Mg(s) -------> Mg3(PO4)2(aq) + 2Al(s)

Explanation:

The principle of writing balanced chemical reaction equations states that; the number of atoms of each element on the right hand side of the reaction equation must be equal to the number of atoms of the same element on the left hand side of the reaction equation.

The reaction is between aqueous aluminum phosphate reacts and solid magnesium to produce solid aluminum and aqueous magnesium phosphate. The equation is represented as follows;

2AlPO4(aq) + 3Mg(s) -------> Mg3(PO4)2(aq) + 2Al(s)

Answer: Molecule that stores genetic information in all organisms.

Explanation:

Answer:

920,000 liters

Explanation:

i divided by 2

Answer:

First Part: branched chain, cycloalkane, straight chain

Second Part: straight chain, branched chain, cycloalkane.

Explanation:

Edg 2021

Answer:

Explanation:

Answer:

Sun

↓

Alfalfa

↓

Rabbit

↓

Coyote

Explanation:

To find - Choose one food chain in the web. Name all of the organisms in that chain. Start with a producer and end with the top level consumer.

Solution -

We know that,

A food chain is a series of events in which one organism eats another and obtains energy.

The Food chain is as follows :

Sun

↓

Alfalfa

↓

Rabbit

↓

Coyote

Answer:

D: Carbon

Explanation:

Carbon is the sixth element with a total of 6 electrons in the periodic table. Hence the atomic number Z = 6. The ground state electron configuration of carbon is 1s2 2s2 2p2. An excited state electron configuration of carbon is 1s2 2s1 2p3.

Answer:

4Hg+2O2=4HgO

four Mercury + four oxygen

Answer:

Aluminum would heat up the faster

Answer:

m = 190. g MgCl2

Explanation:

Use a molar ratio to get the # of moles MgCl2 produced from 4.00 mol of HCl:

4.00 mol HCl × (1 mol MgCl2/2 mol HCl) = 2.00 mil MgCl2

So 2.00 moles of MgCl2 will be produced. To find the mass in grams, use the molar mass of MgCl2:

2.00 mol MgCl2 × (95.211 g MgCl2/1 mol MgCl2)

= 190. g MgCl2

2. A dark shadow covers a small part of the Sun's surface.

(HAVE A GOOD DAY!!)

Answer:

The foam board has a larger gravitational force but it also has a very large air resistance force. The net (total) force on the foam board will give it a smaller acceleration than paper.

Explanation:

The air molecules get knocked away and take some of the kinetic energy away from the object, which makes the object slow down

Answer:c

Explanation:

Explanation:

1 M = 1 mol/L

4.36 mol NaCl ×(1L H20 / 4 mol NaCl) = 1.09 L H20

Answer:

1.09 L of water

Explanation:

4.36 mol NaCl ×(1L of H20 / 4 mol NaCl) = 1.09 L of water

Answer:

Toxic is a harmful chemical substances which degrades the quality of pure substance .

Answer:

Hormones help regulate many bodily processes, such as appetite, sleep, and growth. Sex hormones are those that play an essential role in sexual development and reproduction. The main glands that produce sex hormones are the adrenal glands and the gonads, which include the ovaries in females and testes in males

Explanation:

Answer:

Sodium phosphide is the inorganic compound with the formula Na 3 P. It is a black solid. It is often described as Na + salt of the P 3− anion. Na 3 P is a source of the highly reactive phosphide anion.

Explanation: