All categories

3 years ago

Why do we put these three words together in the 'fire triangle'?

Chemistry

1 answer:

bazaltina [42]3 years ago

7 0

The three word of this is to represent what it takes to create and maintain a fire

You might be interested in

I need help ASAP this is my final

Ann [662]

Answer:

Explanation:

is the best answer...........

8 0

3 years ago

The density of a pure liquid at 25 degrees Celsius was calculated by determining the mass and volume of a sample of the liquid.

adelina 88 [10]

Answer

The density of the liquid is 0.82 g/mL.

Explanation:

From the question given above, the following data were obtained:

Mass of empty flask = 18.990 g

Mass of flask + liquid = 39.439 g

Volume of liquid = 25 mL

Density of liquid =..?

Next, we shall determine the mass of the liquid. This can be obtained as follow:

Mass of empty flask = 18.990 g

Mass of flask + liquid = 39.439 g

Mass of liquid =.?

Mass of liquid = (Mass of flask + liquid) – (Mass of empty flask)

Mass of liquid = 39.439 – 18.990

Mass of liquid = 20.503 g

Finally, we shall determine the density of the liquid as follow:

Mass of liquid = 20.503 g

Volume of liquid = 25 mL

Density of liquid =..?

Density = mass / volume

Density of liquid = 20.503 / 25

Density of liquid = 0.82 g/mL

8 0

3 years ago

What are the formulas for the compounds formed by the C3+, 02- pairs of ions;

choli [55]

Answer : Cr203

Explanation:

5 0

3 years ago

In two or more complete sentences, compare singe displacements reactions and double displacement reactions

vodomira [7]

Answer:

The answer is in the explanation

Explanation:

Single displacement reactions: In these reactions, a more reactive element kicks out a less reactive element from a compound.

Ex. Zn(s) + 2 HCl(aq) → ZnCl2(aq) + H2(g)

In this example, Zn is more reactive than H, then Zn displaces H from the compound.

Double displacement reactions: In these kind of reactions 2 elements are displaced from the different compounds, these elements interchange positions.

Ex. CuCl2(aq) + 2 AgNO3(aq) → Cu(NO3)2(aq) + 2 AgCl(s)

In the example, Cu displaces Ag and Ag displaces Cu, they interchange positions.

4 0

3 years ago

PLEASE HELP ASAP!!

Aliun [14]

At STP (Standard Temperature and Pressure) there are 22.4 Liters in 1 mole.
Also there is 4g per every mole of Helium. You will use dimensional analysis to find the answer. You first start with grams, convert to moles, then convert moles to liters like so.

He = Helium

7500g He = 1 mole He = 1875 mole He
—————
4g He

1875 moles He = 22.4 L He = 42,000L He
—————
1 mole He

Answer should be 42,000 L of He

(Are you sure the question is 7,500 grams? Or does it say 75.00 grams?)

3 0

4 years ago