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mojhsa [17]
3 years ago
7

Chemical formula Be+2 + N-3

Chemistry
1 answer:
Gala2k [10]3 years ago
7 0
I think it might be nitride
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According to Boyle’s law, when the pressure of a gas increases at constant temperature, its volume
TEA [102]

Answer:

reduces

Explanation:

According to Boyle's law, when the pressure of a gas increases at constant temperature the volume reduces.

Boyle's law states that "the volume of fixed mass of a gas is inversely proportional to the change in pressure if the temperature is constant".

  • It suggests that at constant temperature, if pressure increases, temperature reduces.

Mathematically, it is expressed as;

     P1 V1  = P2 V2

P and V are pressures

1 and 2 are initial and finals state.

3 0
3 years ago
Read 2 more answers
How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate according to the follow
fiasKO [112]

Answer:- Third choice is correct, 17.6 moles

Solution:- The given balanced equation is:

Al_2(SO_4)_3+6KOH\rightarrow 2Al(OH)_3+3K_2SO_4

We are asked to calculate the moles of potassium hydroxide needed to completely react with 2.94 moles of aluminium sulfate.

From the balanced equation, there is 1:6 mol ratio between aluminium sulfate and potassium hydroxide.

It is a simple mole to mole conversion problem. We solve it using dimensional set up as:

2.94molAl_2(SO_4)_3(\frac{6molKOH}{1molAl_2(SO_4)_3})

= 17.6 mol KOH

So, Third choice is correct, 17.6 moles of potassium hydroxide are required to react with 2.94 moles of aluminium sulfate.


8 0
4 years ago
The standard metric units of density are:
LuckyWell [14K]

Density is a value for mass, such as kg, divided by a value for volume, such as m3. Density is a physical property of a substance that represents the mass of that substance per unit volume. It is a property that can be used to describe a substance<span>.</span><span> It has standard units of kg/m^3 or g/cm^3.</span>

8 0
3 years ago
Read 2 more answers
Lewis structure for ethanol​
Archy [21]

Answer:

https://prnt.sc/ql75rv

This is a link to an image of the lewis structure.

5 0
3 years ago
Why do elements undergo chemical reactions?​
DaniilM [7]

Answer:

They have to

Explanation:

It occurs when 2 or more molecules interact and their bonds change

6 0
4 years ago
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