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Alex_Xolod [135]
3 years ago
15

What do the group 1 elements form when they react with oxygen?

Chemistry
1 answer:
monitta3 years ago
4 0

Reactions with Group 1 Elements. Oxygen reacts rapidly with Group 1 elements. All alkali metal oxides form basic solutions when dissolved in water. When heated, lithium, sodium, potassium, rubidium, and cesium ignite through combustion reactions with oxygen.

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Determine the volume (in liters) of a 87.8-9 sample of OF2 gas at 307 torr and 264°C.
expeople1 [14]

Answer:

V = 177.4 L.

Explanation:

Hello there!

In this case, since this gas can be assumed as ideal due to the given data, we can use the following equation:

PV=nRT\\\\PV=\frac{m}{MM}RT

Thus, by solving for volume we obtain:

V=\frac{mRT}{MM*P}

So we can plug in the temperature in Kelvins (537 K), the pressure in atmospheres (0.404 atm) and the molar mass (54 g/mol) to obtain:

V=\frac{87.8g*0.08206\frac{atm*L}{mol*K}*537K}{54g/mol*0.404atm}\\\\V=177.4L

Best regards!

6 0
3 years ago
Can someone plz help me?? The question is in the pic...TYSM!!
Mnenie [13.5K]

Answer:

3  is the correct answer i think

Explanation:

4 0
3 years ago
Read 2 more answers
Identify the statement that correctly describes light and how it travels?
expeople1 [14]
What statement?
Light moves faster through a vacuum because no particles are existent to absorb it.
8 0
4 years ago
What is the definition of a species
svetoff [14.1K]

Answer:

A population or group of populations whose members have the potential to interbreed in nature and produce viable, fertile offspring but do not produce viable, fertile offspring with members of other such groups

Explanation:

I used my bio textbook for this but basically only organisms in a group is a population and they can't produce offspring that survive or reproduce unless they are in the same population or populations. Think of like how a liger is a cross of a tiger and a lion and can't reproduce because its not fertile and its from two different species but a lion and a lion can produce a living offspring that can reproduce.

8 0
3 years ago
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In calculating the concentration of [Cu(NH3)4]2+[Cu(NH3)4]2+ from [Cu(H2O)4]2+[Cu(H2O)4]2+, the stepwise formation constants are
tamaranim1 [39]

Answer:

11.1×10^12

Explanation:

β4= K1× K2 × K3 × K4

β4= 1.90×10^4 × 3.90×10^3 × 1.00×10^3 ×1.50×102

β4=11.1×10^12

The overall formation (stability) constant β4= K1× K2 × K3 × K4. Hence the answer.

3 0
4 years ago
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