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dimulka [17.4K]
2 years ago
5

I REALLY NEED HELP can someone help me please I’ll mark you brainliest! :)

Chemistry
1 answer:
Yanka [14]2 years ago
5 0

Answer:

A

Explanation:

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Whats Fe2O3 compound name
Nady [450]

Answer:

Iron(III) oxide  and its common name is Ferric Oxide

Explanation:

4 0
1 year ago
sample of atmospheric gas collected at an industrial site is stored in a 250 mL amber glass bottle that has a pressure of 1.02 a
Nady [450]

Answer:- New pressure is 0.942 atm.

Solution:- The volume of the glass bottle would remain constant here and the pressure will change with the temperature.

Pressure is directly proportional to the kelvin temperature. The equation used here is:

P_1T_2=P_2T_1

Where, T_1 and T_2 are initial and final temperatures, P_1 and P_2 are initial and final pressures.

T_1 = 20.3 + 273.15 = 293.45 K

T_2 = -2.0 + 273.15 = 271.15 K

P_1 = 1.02 atm

T_2  = ?

Let's plug in the values in the equation and solve it for final pressure.

1.02atm(271.15K)=P_2(293.45K)

P_2=\frac{1.02atm*271.15K}{293.45K}

P_2 = 0.942 atm

So, the new pressure of the jar is 0.942 atm.


5 0
3 years ago
PLEASE HELP ME WITH A COUPLE OF QUESTIONS!!! Thank You :)
Brrunno [24]
Hey there!

1. A chemical reaction is, B).<span> Any time different substances combine to form a new substance, or when a substance breaks up into different substances

2.</span> Balancing chemical equations is called, C). <span>Equivalentry

3.</span><span> Sulfuric acid is made of two hydrogen atoms (H), one sulfur atom (5), and four oxygen atoms (0). What is its formula? C). </span><span>H2S04


Hope this helps!


-Much love, Makayla</span>
5 0
3 years ago
El gas dióxido de carbono ocupa un volumen de 10, 5 litros a 20°C ¿Cuál será el volumen que ocupará el gas si la temperatura Cel
Elan Coil [88]

Answer:

qfrdwgzhxvvxcvknmnkcfkovfvovfcjvxhcunx

6 0
2 years ago
Sodium metal reacts with chlorine gas to produce sodium chloride. What mass (grams) of sodium metal would be needed to fully rea
gulaghasi [49]

Answer:

105.8 g of Na would be required

Explanation:

Let's think the reaction:

2Na(s)  + Cl₂(g)  →  2NaCl (s)

1 mol of chlorine reacts with 2 moles of sodium

Then, 2.3 moles of Cl₂ would react with (2.3 .2) / 1 = 4.6 moles

Let's determine the mass of them.

4.6 mol . 23 g/mol = 105.8 g

3 0
3 years ago
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