Which of the following compounds, sodium bicarbonate or water, should be used to extinguish a grease fire?

Answers

Answer 1

Answer:Douse the fire with baking soda: The chemical compound sodium bicarbonate, commonly called baking soda, is effective for extinguishing this type of fire. It takes a lot of baking soda to smother a grease fire, so pour it on while the flames are still small for the greatest effect

Explanation:

Answer 2

The grease fire has been put down by the addition of sodium bicarbonate as the extinguisher.

Grease fire has been defined as the fire that has been started with the over heating of the cooking oil at home. The fire has been started with the burning of the flammable liquids.

Extinguishing Grease fire

The fire in the cooking oil has been controlled with the addition of the sheet over the fire and turning off the flame.

The addition of water to grease fire results in the splashing of water over the fire and the spreading, resulting in the hazardous effects.

The sodium bicarbonate or baking soda has been used to put down grease fire.

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Related Questions

Neon occupies a volume of 6 L at 200 K. What volume will it occupy at 300 K

Answers

Answer: 9L

Explanation:

(6 x 300) = 1800 / 200 = 9

Each element has its own set of characteristic absorption lines because Each element has its own set of characteristic absorption lines because the temperature of each element can varies. electron energy levels differ for each element. elements can exist in different forms of matter. absorption lines depend upon the speed of the object. each element has a different mass.

Answers

Answer:

Question is unclear

Explanation:

Answer:

what ru asking dear??? write question properly ??? Write the correct question from next time.

Can anyone help me out?

Answers

a. mass number minus atomic number

What volume of 7.68 M NaOH (aq) will neutralize 1.15 L of 2.35 M H2SO4 (aq) ?

A)1.38 L

B)0.704 L

C)0.276 L

D)1.90 L

E)1.75 L

Answers

i think the answer would be C

A greenhouse is filled with air that cotains more carbon dixoide than normal air has. How might phothsyphness and plant growth be affeacted

Answers

Answer:

See explanation

Explanation:

We know that photosynthesis involves the combination of carbon dioxide and water in the presence of sunlight to yield glucose.

If the atmosphere is rich in carbon dioxide such as  in a green house where air is filled with carbon dioxide, the rate of photosynthesis is increased.

As the rate of photosynthesis is increased, the growth of plants is also increased.

Hence, in a greenhouse where the air contains more carbon dioxide, the rate of plant growth increases.

What is the molar mass of Mn2Se7 ?

A.) 601.34 g/mol

B.) 542.50 g/mol

C.) 662.60 g/mol

Answers

Answer:

C.  662.60

Explanation:

the mass of Mn is about 54 grams/mol, (multiply that by 2 since there are 2 Mn's).

the mass of Se is about 79 grams/mol, so multiply that by 7

if you add them, you get 662.60 (approxamitly)

Answer:

C) 662.60

Explanation:

~~55*2 + 79*7 = 110 + 553 = 663 (~~662.60)

During the chemical reaction given below 21.71 grams of each reagent were allowed to react. Determine how many grams of the excess reagent are left over after the reaction is complete. 2SO2()+O2()⟶2SO3()

Answers

Answer: 16.32 g of [tex]O_2[/tex] as excess reagent are left.

Explanation:

To calculate the moles :

[tex]\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}[/tex]    

[tex]\text{Moles of} SO_2=\frac{21.71g}{64g/mol}=0.34mol[/tex]

[tex]\text{Moles of} O_2=\frac{21.71g}{32g/mol}=0.68mol[/tex]

[tex]2SO_2(g)+O_2(g)\rightarrow 2SO_3(g)[/tex]  

According to stoichiometry :

2 moles of [tex]SO_2[/tex] require = 1 mole of [tex]O_2[/tex]

Thus 0.34 moles of [tex]SO_2[/tex] will require=[tex]\frac{1}{2}\times 0.34=0.17moles[/tex]  of [tex]O_2[/tex]

Thus [tex]SO_2[/tex] is the limiting reagent as it limits the formation of product and [tex]O_2[/tex] is the excess reagent.

Moles of [tex]O_2[/tex] left = (0.68-0.17) mol = 0.51 mol

Mass of [tex]O_2=moles\times {\text {Molar mass}}=0.51moles\times 32g/mol=16.32g[/tex]

Thus 16.32 g of [tex]O_2[/tex] as excess reagent are left.

what is the advantage of rusting​

Answers

Answer:

Provide more strength

Explanation:

Rust is metal that has been oxidised . Oxides are usually more fragile and porous than their crystals metal equivalents. Some oxides, such as Aluminum oxide, are useful because they have a thin, strong shell that protects the metal from further corrosion.

the internal energy of a substance Is called​

Answers

Answer:

The internal energy is the total amount of kinetic energy and potential energy of all the particles in the system. ... When the substance melts or boils, energy is put in to breaking the bonds that are holding particles together, which increases the potential energy.

Explanation:

Use the drop-down menus to identify the experimental group with additional nutrients and the control group without additional nutrients. The experimental group consists of quadrats numbered? The control group consists of quadrats numbered?​

Answers

The comparison of the results obtained from the experimental and the control groups validates the conclusions of the experiment.

What are experimental and control groups?

The question is incomplete but I will, try to help you the much I can. The term experimental groups refer to the group that recieves the treatment while the control group is the group that did not receieve the treatment.

Hence, the comparison of the results obtained from the experimental and the control groups validates the conclusions of the experiment.

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Answer:

The experimental group consists of quadrats numbered

✔ 1 to 16 or A

.

The control group consists of quadrats numbered

✔ 17 to 32 or B

.

Explanation:

Where did scientists find most of the nitrogen that the rats ate?

Answers

Answer:

They found the rats near or in a lake or river, due to high concentration of nitrogen in their body.

An open glass of water is placed on the table. After a while, the temperature and volume of the water are both altered. What kind of system does this describe?

Answers

Answer: Open system

Explanation:

I guessed and I got the right answer

This is agree or disagree I need help ASAP!!

Answers

Answer:

disagree

sometimes they attract

Explanation:

Answer:

Explanation:

2. Agree

3. Agree

4. Agree

5. agree

6. disagree

If im wrong its because im tired lol

Which is the formula for a binary ionic compound composed of
iodine and sodium?
a Ina
b Either INa or Nal is acceptable.
С
lodine and sodium do not form a binary ionic
compound.
d Nal

Answers

Either NaI or INa are acceptable formulae for sodium iodide, which is indeed a binary ionic compound. So, the correct answer would be B.

Answer:

D. Nal

Explanation:

Took a K12 test and it was correct! :3 Hope this helps!

What is the mass in grams of 4.4 moles of the element tungesten, W?​

Answers

Answer:

806.96 g

Explanation:

From the question,

Using,

No. of mole = reacting mass/molar mass.

n = R.m/m.m....................... Equation 1

make R.m the subject of the equation

R.m = molar mass of tungsten × number of mole of tungsten.................. Equation 2

Given: number of mole of tungsten = 4.4 moles

Constant: Molar mass of tungsten = 183.8 g/mol

Substitute these values into equation 2

Therefore,

mass of tungsten = 4.4×183.4

mass of tungsten = 806.96 g

809.6g is your answer

Answer:

1 mole of tungsten =184 g

4.4 mole of tungsten =184×4.4=809.6g

A 2.50 L sample of butane gas (C4H10), measured at 22.0
oC and 1.20 atm pressure, is combusted completely and
the carbon dioxide gas collected at the same pressure and
temperature. What volume of CO2 is produced?

Answers

Answer:

Same i guess hdjekfhkshfjfkr

The resultant volume of the carbon dioxide gas which is produced by the combustion of butane is 14.4L.

How do we calculate the moles of gas?

Moles of any gas will be calculated by using the ideal gas equation as:

PV = nRT, where according to qustion for butane gas

P = pressure = 1.20 atm

V = volume = 2.50L

n = moles = ?

R = universal gas constant = 0.082 L.atm / K.mol

T = temperature = 22 degree celsius = 295.15 K

On putting values we get

n = (1.20)(2.50) / (0.082)(295.15) = 0.124 moles

Given chemical equation is:

C₄H₁₀ + 13/2O₂ → 4CO₂ + 5H₂O

From the stoichiometry of the reaction, it is clear that,

1 mole of C₄H₁₀ = produces 4 moles of CO₂

0.124 mole of C₄H₁₀ = produces 4×0.124=0.496 moles of CO₂

Now we calculate the volume for the carbon dioxide gas at the given pressure and temperature as:

V = (0.496)(0.082)(295.15) / (1.20) = 14.4 L

Hence required volume of CO₂ is 14.4 L.

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What does oxygen hitch a ride on to move from the lungs to the blood and eventually the heart? Your answer​

Answers

The oxygen enters blood in the tiny capillaries, hitching a ride on red blood cells and traveling through layers of blood vessels to the heart.

80.0 grams of NaOH is dissolved in water to make a 6.00 L
solution. What is the molarity of the solution? (Molar mass of NaOH
= 40.0 g/mol)
M М.

Answers

Answer:

0.333 M

Explanation:

Divide the mass of NaOH by the molar mass and then divide by the volume.

80.0 g / 40.0 g/mol = 2.00 mol NaOH

2.00 mol NaOH / 6.00 L = 0.333 M NaOH


How many molecules are in 9.40 moles of AICI3?

Answers

the answer would 5.66 x 10 power of 24

If a star is 300 light years away from Earth, how long does it take light from that star to reach Earth?

A. 300 days
B. 300 hours
C. 300 years
D. 300 light years

Answers

Answer: It would take 300 light years to reach Earth.

Explanation:

HELPPPPPPP PLEASEEEE

Answers

Answer:

Plant and Animal

Explanation:

The others are not accurate

Drag the item to the corresponding match PLSS help me!!!

Answers

Answer:

I can't see picture sorry

What is the pH of a solution with an OH- ion concentration of 4.01E-4?

Answers

Answer:

[H]=10^-4 when ph=4 higher

[H]=10^-5 when ph =5 lower

Explanation:

brains

You add 28 grams of carbon. You find the actual yield to be 181.2 grams of CO2. What is the percent yield of CO2?

Answers

Answer:

79.14%

Explanation:

Given the equation : 2Fe2O3 + 3C 4Fe + 3C02

The theoretical yield of CO2 ; is 102.6g

Actual yield = 81.2 gram

Percentage yield = (actual yield / theoretical yield) * 100%

Percentage yield = (81.2 / 102.6) * 100%

Percentage yield = 0.7914230 * 100%

Percentage yield = 79.14%

Hence, tbe percentage yield of CO2 is 79.14%

i. Write the dissolution reaction of BaF2, including all states. (0.5 points)
BaF2←>Ba2+(aq)+2F-(aq)

ii. Write the expression for Ksp for BaF2. (0.5 points)

iii. Write the Ksp expression as an algebraic equation, using the variable x to represent concentrations. (1 point)

iv. Find the solubility of BaF2 by solving the equation you wrote in part iii. (0.5 points)

Answers

Answer:

See Explanation

Explanation:

i) The equation of the dissolution of BF2 is;

BaF2(s)⇄Ba2+(aq)+2F-(aq)

ii) Ksp =[Ba2+]  [2F-]^2

iii) Let the concentration/solubility of [Ba2+] and [2F-] be x

Ksp = [x] [2x]^2

Ksp = 4x^3

iv) x =∛Ksp/4

Which of the following describes a solution equilibrium? *

Answers

Solution equilibrium is the physical state in which the opposing processes of dissolution and crystallization of a solute occur at equal rates.

Which of the following is NOT an example of a chemical reaction?
a. sodium and chlorine forming salt
b. a candle burning forming carbon dioxide
c. a marshmallow releasing carbon when burned
d. ice turning into water

Answers

A) Sodium and chlorine forming salt, in this reaction salt is a new product with different properties than sodium or chlorine

Therefore it is a chemical reaction

B) A candle burning to form carbon dioxide, in this reaction carbon dioxide is a new product with different properties than the candles wax

Therefore it is a chemical reaction

C) Marshmallow releasing carbon is similar to the above one

Therefore it is a chemical reaction

D) Ice turning into water, in this reaction the water can be transformed into ice by freezing it

Therefore it is not a chemical reaction

The answer to your question is D) Ice turning into water

Happy to help :)

If you need anymore help, feel free to ask

A sample of gas has a volume of 12.0 L and a pressure of 2.00 ATM. If the pressure of gas is increased to6.00 ATM, what is the new volume of the gas

Answers

Answer:

4L

Explanation:

I need help on this and the first person who answer correctly gets a BRANLIST..
I dont know if I pick the right answer so thats why I need help!!​

Answers

Answer:

1 oxygen

Explanation:

cause H2O= two hydrogen + one oxyge

What is the name for As4010?

Answers

Answer: As4010 is the Molecular Formula of Arsenic oxide. its Molecular Weight is 459.68.

hope its help you

have a great day keep smiling be happy stay safe.

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