Chemistry High School

For the problem: Mg (s) + O₂ (g) ➞ MgO (g) if 4.3 g of magnesium reacts with 83 g of oxygen (O₂), which is the limiting reagent? *
4 points
magnesium
oxygen
magnesium oxide
dimagnesium dioxide

Answers

Answer 1

Explanation:

hope this can help youuu

For The Problem: Mg (s) + O (g) MgO (g) If 4.3 G Of Magnesium Reacts With 83 G Of Oxygen (O), Which Is

Related Questions

Why are iron nails attracted to magnets, but not attracted to other iron nails?

Answers


They prefer the path of least resistance due to flux density. With a magnet, the lines of force are peacefully lying with the iron nail

___CO----> ___C+___O2


what's the answer?!!

Answers

Answer:

2CO >>> 2C + O2

........

What type of reaction is this?

Zn + K2 CrO 4 --> K + ZnCro4

A) single replacement
B) double replacement
C) decomposition
D) synthesis

Answers

Answer:

a) single replacment........................

balancing equations help!!

Answers

1) N2+3H2–> 2NH3
2) 2KClO3–> 2KCl+3O2
3) 2NaCl+F2–> 2NaF+Cl2
4)Pb(OH)2+ 2HCl—> 2H2O+PbCl2
5) 2AlBr3+ 3K2SO4–> 6KBr+Al2(SO4)3
6) is already balanced

If you have any questions just let me know :)

In a short paragraph, explain one thing you've learned from the course this year.

Answers

Answer:

ive learned about the chart , ive learned about the coolest chemicle reactions and how. the can change colors , ive also learned that chenistrey is all around us since the beginning of life ,and how liquid can turn solid

Explanation:

how does light emitted from a neon sign differ from sunlight?

Answers

Answer:

Neon emits only a specific color

Explanation:

While sunlight emits all the colors neon light emit a single color

5. True or False: A growth rate can be only positive and negative, it can never be zero.....
A. True
B. False

Answers

Answer:

True

Explanation:

In mitosis, how does a daughter cell compare with its parent cell?
A.
A daughter cell has twice as many chromosomes as its parent cell.
B.
A daughter cell has half as many chromosomes as its parent cell.
C.
A daughter cell and its parent cell are exact copies of each other.
D.
A daughter cell has no similarity to its parent cell.

Answers

Answer: im pretty sure its the last (one daughter cell has no similarity to its parent cell.)

Explanation: bc a daughter cell has 30 and the parent cell would have 46 and thats not twice or half as many and they arent the same either so the last one makes sences  

what element has the same number valence electrons as strontium?​

Answers

Answer:

Beryllium

Explanation:

They are in the same group

if u know that answer i will mark has brainliest​

Answers

Answer:

The clear liquid is less dense than the black liquid, which is why it floats on top. If the volume were different, you would visually see more clear liquid than black and vice versa.

The clear liquid is less dense than the black liquid

Answer:

A. The clear liquid is less dense than the black liquid

Explanation:

Since the clear liquid since on top of the black one it's density is less. Whatever liquid has a higher density will sink to the bottom of the flask.

Which of the following colors is/are produced when white light from sun is passed through a prism?

Answers

Answer:

Options d.

Explanation:

As white light from the sun is passed through a prism, it is separated into colors - red, violet, yellow, blue, green, orange, and indigo.

Dispersion is the process of the separation of visible light into its different component colors. The light waves are refracted as they enter the prism.

So, option d. is correct.

What type of energy is transmitted from the Sun to Earth through space?

Answers

Answer:

solar energy

Explanation:

PPLLLSSSSSSS HELLLPPP!!!!! What is runoff?

Answers

Answer:

runoff is he draining away of water (or substances carried in it) from the surface of an area of land, a building or structure, etc.

Explanation:

look up the definition on the internet

Which of the following would cause the seasons on Earth to change more gradually?
A Increasing the amount of time it takes Earth to orbit the Sun.
B Increasing the number of times Earth rotates on its axis per year.
C Decreasing the speed of the Moon’s orbit around Earth.
D Decreasing the amount of energy the Sun emits per year.

Answers

Answer: The four seasons happen because of the tilt of the Earth's axis. At different times of the year, the sun's rays hit different parts of the globe more directly. The angle of the Earth's axis tilts the Northern Hemisphere towards the sun during the summer.

Explanation: I am not gonna tell u what exactly to pick but this should give an idea okai? Hope I can help u :)

Answer:

so whats the answer?

Explanation:

I will give you Brainly if you awser correct if your gonna awser for points pl put I don’t know

Answers

Answer:

C

Explanation:

The answer is B. Trinitrogen Pentaoxide

15.8 liters NF3 (at STP) converted to grams

Answers

Mass NF₃ at STP : 50.06 g

Further explanation

Conditions at T 0 ° C and P 1 atm are stated by STP (Standard Temperature and Pressure). At STP, Vm is 22.4 liters/mol.

15.8 L at STP, mol NF₃ :

[tex]\tt \dfrac{15.8}{22.4}=0.705[/tex]

mass NF₃ (MW=71 g/mol) :

[tex]\tt mass=mol\times MW\\\\mass=0.705\times 71\\\\mass=50.06~g[/tex]

if freshwater is added to a region, what happens to seawater density and salinity?

Answers

Answer:

The density and salinity goes down.

Explanation:

Salt water is denser than pure water.  As fresh water is added to salt water the concentration of salt goes down.  Since salinity is the amount of salt in the water that would go down with the concentration.  This would also mean that the density goes down since there is less salt per unit of volume which makes it so that there is less mass per unit of volume.  The formula for density is d=m/v so as the mass goes down per unit of volume so does the density.

Let me know if anything is unclear in the comments and we can try to work through it.

2 The polar structure of water allows it to act as a solvent for many substances. Which of the
following statements best explains why water is considered polar?
F The unequal sharing of electrons results in the water molecule having a slightly negative
charge near its oxygen atoms and a slightly positive charge near its hydrogen atom.
G The equal sharing of electrons by the hydrogen and oxygen atoms form weak bonds that are
easily broken during dissociation.
H The unequal sharing of electrons results in the water molecule having a slightly positive
charge near its oxygen atoms and a slightly negative charge near its hydrogen atom.
The equal sharing of electrons by the hydrogen and oxygen atoms create a molecule that is
neutrally charged

Answers

Answer:

Explanation:

F is the answer, this is because oxygen is slightly delta negative and hydrogen is slightly delta positive. Which creates the permanent dipole that polar molecules have.

How many grams of calcium are in 2.65 g of CaCO3?

Answers

Answer:

2.56

Explanation:

Which is greater 50 degree celcius or 50 degree fahrenheit?with solution plz.....​

Answers

Answer: 50 degrees Celsius is hotter than 50 degrees F. 50 degrees Celsius is half way between freezing and boiling

Calculate the speed for a car that went a distance of 125
kilometers in 2 hours tiine.

Answers

Answer:

62.5 km/hr

Explanation:

Speed can be found by dividing the distance by the time.

s=d/t

We know the car travelled a distance of 125 kilometers in 2 hours. Therefore:

• d=125 km

• t= 2 hr

Substitute the values into the formula.

s= 125 km/ 2 hr

Divide

s= 62.5 km/ hr

The speed of the car is 62.5 kilometers per hour.

Condensation point and freezing point of argon in KELVIN.

Answers

Answer:

Condensation: 423.3 K

Freezing: 83.96 K

(this is all i could figure out :) hope it helps)

Please help I really need but this time I'm fr I don't have much time ill mark brainliest

Answers

Answer:

i fi am not wrong the correct answer is  D

Explanation:

Answer:

The answer is D

Explanation:

More height= more potential energy

IF YOU ANSWER CORRECTLY U WILL RECIVE BRAINLEIST AND 10 pts! AsAp! thank youuu u will make my day by answering CoRrEcTlY!

Answers

Answer:

6 and 8

Explanation:

Kate wrote the steps of the carbon cycle to describe how carbon is cycled through specific organisms. The steps are in random order.

1 - The rabbit decomposes.
2 - The rabbit eats the carrot plant.
3 - The carrot plant takes in carbon dioxide from the air during photosynthesis.
4 - Carbon compounds are returned to the soil.

Which lists the steps in order?

2, 3, 1, 4
3, 2, 1, 4
3, 4, 2, 1
2, 4, 3, 1

Answers

Answer:

3, 2, 1, 4

Further explanation:

The process of photosynthesis is the process of converting carbon dioxide and water into energy in the form of carbohydrates using sunlight. Usually done by plants that have leafy za called chlorophyll.

Carbohydrates themselves are formed from the C-carbon, H-hydrogen and O-oxygen components

Rabbit food is carrots that contain carbohydrates, which are part of the photosynthesis process

3. The carrot plant takes in carbon dioxide from the air during photosynthesis.

Reaction

6CO₂ + 6H₂O ⇒ C₆H₁₂O₆ + 6O₂

2. The rabbit eats the carrot plant.

Rabbits meet their carbohydrate source for energy by eating carrots

1. The rabbit decomposes.

Rabbits in time will experience a process of decomposition

4 - Carbon compounds are returned to the soil.

The carbon content in rabbits will also be decomposed into the soil again

Answer:

3,2,1,4

Explanation:

Which of the following is true about chemical reactions?

They are accompanied by changes in energy.
They form new substances with new properties.
both A and B
neither A nor B

Answers

B) they form new substances with new properties.

Answer:

B : THEY FORM NEW SUBSTANCES WITH NEW PROPERTIES .

Which model best represents a pattern?
Antenne UHF
Chaum
RTG
Master
Antenne
grand gain
DAN
REMS
RAD
SAM
Chemin

Answers

Is it grand gain? Sorry, i’m not too good at this.

plzzzz help ASAP !!!!​

Answers

Answer:

sorry can't

Explanation:

Answer:

Try to get a solution from Google

When light pases through a prisim,white light will be separated into different colors. which statment best explains this observation?​

Answers

Answer:

It's B

Explanation:

The classic rainbow is made of certain colors, so If a white light passed through a glass prism [and only glass] the rainbow would show because of the colors bending [the naked eye can't see that 0-0]

Also, you know the sky is blue right??  The color blue in that prism when the light shined over was the shortest and wavy color. each color has it's own wave. blue is just the shortest and waviest one.

Why do nonpolar substances tend to be gases and not liquids or solids?

Answers

Answer:

Because the intermolecular interactions are weaker.

Explanation:

Nonpolar substances do not have dipole-dipole or hydrogen bond interactions, which are strong intermolecular interactions that often make the substance liquid or solid. Instead, they must rely on van der Waals forces, which are relatively weaker interactions that are often insufficient to hold the molecules together in liquid or solid form.

The magnitude of intermolecular association in nonpolar substance is much lower than the magnitude of intermolecular association in polar substances.

Polar substances are those substances in which a permanent dipole exists in the molecule. In a molecule having a permanent dipole, the electronegativity difference between the atoms bonded in the molecule is high.

As a result of this high electronegtivity difference between atoms, the molecules interact more intimately hence polar molecules tend to exist mostly as liquids and gases while nonpolar molecules having less intimate intermolecular interaction via dispersion forces exist mostly as gases.

Learn more: https://brainly.com/question/9352088

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