Help plzzz I don’t get to

Answer:

Magnesium Phosphide has a formula of Mg3P2 . Magnesium is a metal cation with a charge of Mg+2. Phosphorus is a nonmetal anion with a charge of P−3. In order to bond ionically the charges must be equal and opposite

Explanation:

Answer:

19 atoms

Explanation:

6 carbon, 12 hydrogen, one Nitrogen

Answer:

ikr

Explanation:

‍♂️ it's really sad

Answer:

sometimes the female doesn't want to be hurt, or it could be from the last relationship she was in. maybe just maybe the female feels like you are using her for her body or just to use her. Sometimes females want to stop the heartache before it begins. Tbh we all have different reasons for it.

Explanation:

Answer:

C. The amount of product will be limited by the number of moles of

the limiting reagent.

Explanation:

a p e x :)) i just took the quiz

The amount of product will be limited by the number of moles of

the limiting reagent. Hence, option C is correct.

The reactant that gets consumed early in the reaction restricts the quantity of product which will be produced in the chemical reaction. Thus, the reactant that gets consumed early in a chemical reaction is a limiting reagent.

Hence, the amount of product will be limited by the number of moles of the limiting reagent.

Learn more about limiting reagents:

brainly.com/question/14225536

#SPJ5

with what telll  meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee

Answer:

As altitude increases, the amount of gas molecules in the air decreases the air becomes less dense than air nearer to sea level.

Explanation:

Answer:

It should be B

Explanation:

because I just searched it up if I'm wrong I'm wrong

Answer:transpiration just took the test

Explanation:

100%

The question is incomplete, the complete question is;

A chemist prepares a solution of silver (I) perchlorate (AgCIO4) by measuring out 134.g of silver (I) perchlorate into a 50.ml volumetric flask and filling the flask to the mark with water. calculate the concentration in mol/L of the silver (I) perchlorate solution. Round your answer to 2 significant digits.

Answer:

13 mol/L

Explanation:

We must first obtain the number of moles of silver I perchlorate involved

Molar mass of silver I perchlorate = 207.32 g/mol

Number of moles of silver I perchlorate = 134g/207.32 g/mol = 0.646 moles

Recall that;

n =CV

C= concentration

V= volume

n = number of moles

C = n/V

C = 0.646 moles * 1000/50

C = 13 mol/L

Answer:

A.? I think it is A hope it helps

Answer:

1)To familiarize students with experimental apparatus, the scientific method, and methods of data analysis so that they will have some idea of the inductive process by which the ideas were originated. To teach how to make careful experimental observations and how to think about and draw conclusions from such data.

2)The hypothesis is an educated guess as to what will happen during your experiment. The hypothesis is often written using the words "IF" and "THEN." For example, "If I do not study, then I will fail the test." The "if' and "then" statements reflect your independent and dependent variables.

3)Specify the Null Hypothesis.

Specify the Alternative Hypothesis.

Set the Significance Level.

Calculate the Test Statistic and Corresponding P-Value.

Drawing a Conclusion.

4)Line charts, or line graphs, are powerful visual tools that illustrate trends in data over a period of time or a particular correlation. For example, one axis of the graph might represent a variable value, while the other axis often displays a timeline.

5)

Answer:

To familiarize students with experimental apparatus, the scientific method, and methods of data analysis so that they will have some idea of the inductive process by which the ideas were originated. To teach how to make careful experimental observations and how to think about and draw conclusions from such data.

2)The hypothesis is an educated guess as to what will happen during your experiment. The hypothesis is often written using the words "IF" and "THEN." For example, "If I do not study, then I will fail the test." The "if' and "then" statements reflect your independent and dependent variables.

3)Specify the Null Hypothesis.

Specify the Alternative Hypothesis.

Set the Significance Level.

Calculate the Test Statistic and Corresponding P-Value.

Drawing a Conclusion.

4)Line charts, or line graphs, are powerful visual tools that illustrate trends in data over a period of time or a particular correlation. For example, one axis of the graph might represent a variable value, while the other axis often displays a timeline.

Explanation:

To familiarize students with experimental apparatus, the scientific method, and methods of data analysis so that they will have some idea of the inductive process by which the ideas were originated. To teach how to make careful experimental observations and how to think about and draw conclusions from such data.

2)The hypothesis is an educated guess as to what will happen during your experiment. The hypothesis is often written using the words "IF" and "THEN." For example, "If I do not study, then I will fail the test." The "if' and "then" statements reflect your independent and dependent variables.

3)Specify the Null Hypothesis.

Specify the Alternative Hypothesis.

Set the Significance Level.

Calculate the Test Statistic and Corresponding P-Value.

Drawing a Conclusion.

4)Line charts, or line graphs, are powerful visual tools that illustrate trends in data over a period of time or a particular correlation. For example, one axis of the graph might represent a variable value, while the other axis often displays a timeline.

Answer:

don't sent such messages whatever you are

According to the concept of solubility and dissociation, aspirin at pH 8 and 10 undergoes dissociation to yield ions.

An ion is defined as an atom or a molecule which has a net electrical charge. There are 2 types of ions :1) cation 2) anion . The cation is the positively charged ion and anion is the negatively charged ion . As they are oppositely charged they attract each resulting in the formation of ionic bond.

Ions consisting of single atom are mono-atomic ions while which consists of two or more ions are called as poly-atomic ions . They are created by chemical interactions . They are very reactive in their gaseous state and rapidly react with oppositely charged ions resulting in neutral molecules.Ions are generated on dissociation.

Learn more about ions,here:

https://brainly.com/question/29183072

#SPJ2

Answer:

A) Ionic compounds containing variable metals should have Roman numerals

Explanation:

The correct option is;

A) Ionic compounds containing variable metals should have Roman numerals

This is because these variable metals have variable oxidation states and charges. Hence, to be able to distinguish between compounds containing the same  element but different charges, the roman numerals is used. For example;

FeCl₃ - Iron(III) Chloride

FeCl₂ -  Iron(II) Chloride

Answer:

Molar mass of the unknown gas is 64.6 g/mol

Explanation:

Let's think this excersise with the Ideal Gases Law.

We start from the N₂. At STP conditions we know that 1 mol of anything occupies 22.4L.

We apply: P . V = n . R . T

5 atm . V = 1 mol . 0.082 . 325K

V = (1 mol . 0.082 . 325K) / 5 atm = 5.33 L

It is reasonable to say that, if we have more pressure, we may have less volume.

As this is the volume for 1 mol of N₂, our mass is 28 g. Then, the density of the nitrogen and the unknown gas is 28 g/5.33L = 5.25 g/L

Our unknown gas has, this density at 27°C and 2 atm.

If we star from this, again: 1 mol of any gas occupy 22.4L at STP, we can calculate the volume for 1 mol at those conditions:

P₁ . V₁ / T₁ = P₂ . V₂ / T₂

1 atm . 22,4L / 273K = 2 atm . V₂ / 300K

Remember that the value for T° is Absolute (T°C + 273)

[ (1 atm . 22.4L / 273K) . 300K] / 2 atm = V₂ → 12.3L

This is the volume for 1 mol of the unknown gas at 2 atm and 27°C

We use density to determine the mass: 12.3 L . 5.25 g/L = 64.6 g

That's the molar mass: 64.6 g/mol

Answer:

It stays the same.

Explanation:

Answer:

O During photosynthesis, plants take in carbon dioxide from the air.

Answer: The answer is: During photosynthesis, plants take in carbon dioxide from the air.

Explanation: I have my ways ;>

Answer:

AKWIJKNZQSOKQPALQALQPALALQLLKILILI

Answer:

0.36 mol/L

Explanation:

The formula for molarity M=m/L

m stands for moles

L stands for liters

Plug it into the equation...

M=1.25 mol/3.5 L

M=0.35714285714

Answer: 682 grams

Explanation:

The balanced chemical reaction is:

[tex]4Fe+3O_2\rightarrow 2Fe_2O_3[/tex]

[tex]O_2[/tex] is the limiting reagent as it limits the formation of product and [tex]Fe[/tex] is the excess reagent.

According to stoichiometry :

3 moles of [tex]O_2[/tex] produce = 2 moles of [tex]Fe_2O_3[/tex]

Thus 6.40 moles of [tex]O_2[/tex] will produce=[tex]\frac{2}{3}\times 6.40=4.27moles[/tex]  of [tex]Fe_2O_3[/tex]

Mass of [tex]Fe_2O_3=moles\times {\text {Molar mass}}=4.27moles\times 159.69g/mol=682g[/tex]

Thus 682 g of [tex]Fe_2O_3[/tex] will be produced from 6.40 moles of oxygen

não se esqueça de mim não sei

3

2

1

4

6

5

not a 100% sure but i think this is it.

Answer:

160.000 años corresponde a 16.000 décadas.

Explanation:

Para resolver correctamente el ejercicio debemos plantear la regla de tres simple de la siguiente manera:

1 década equivale a 10 años; A cuantas decadas equivalen 160.000 años?

1 década→10 años

          x    ←160.000 años

Debemos multiplicar 160.000 por 1 y luego dividir entre 10 ;

x=([tex]\frac{160.000x1}{10}[/tex])=16.000 décadas; en notación científica sería 16x10^3.

Respuesta: 160.000 años corresponde a 16.000 décadas.

The number of atoms of any element in the given chemical formula is the number that is written on the foot of the symbol of that element. Therefore, chlorine has the strongest attraction for electrons in a chemical bond.

Atom is the smallest particle of any matter. Atom combines to form element and element combine to form molecule or compound.

Atom consists of electron, proton and neutron. The total mass of atom is inside the nucleus. Inside the nucleus proton and neutron is there. So calculate mass of an atom, total mass of all protons is added to the total mass of neutron. Electrons revolve around the nucleus.

Electronegative element have greatest strongest attraction for electrons due to high effective nuclear charge. Among the given molecules, chlorine is the most electronegative element. Chlorine has the strongest attraction for electrons in a chemical bond.

Therefore, chlorine has the strongest attraction for electrons in a chemical bond.

Learn more about atoms, here:

https://brainly.com/question/13518322

#SPJ2

Answer:

Yes

Explanation:

One of the top goals of genetic engineering is the improvement of health. Imagine a world without the threat of AIDS or cancer. Those working in the genetics field hope that manipulating the genes of humans will one day enable science to prevent people from contracting these potentially deadly diseases.

Answer:  

A. unexpected change in odor

Explanation: Common physical changes include melting, change of size, volume, color, density, and crystal form. Example the classic baking soda and vinegar reaction provides evidence of a chemical change due to the formation of a gas and a temperature change.

Answer:

hydrogen

Explanation:

can i have brainliest please

Answer:

720

Explanation:

4 m/s

60 seconds

                            = 180 seconds

3 minutes

4 m/s

                             = 720 m/s

180 seconds