3 years ago

From the following data ,determine of formation for diborane(B2H2(g), at 25

Chemistry

1 answer:

Oksi-84 [34.3K]3 years ago

7 0

2Bs believe is the answer I’m not sure tho

You might be interested in

Please Help Me<br> please help me with my attachment

kotykmax [81]

C bc it only has red in it

7 0

3 years ago

Read 2 more answers

What does the chemical formula CaCI2 show about the compound or represents?

atroni [7]

Answer:

Two elements because Can is one element and Cl is another. The two is a coeficient that states how many of that element there is.

I hope this helps you!!!

8 0

3 years ago

If the starting volume of a hot air balloon is 55,500 m3and the initial temperature is 21 °C, what is the temperature inside the

Dmitry_Shevchenko [17]

Answer:

T₂ = 392 K

Explanation:

Given that,

Initial volume of the hot air balloon, V₁ = 55500 m³

Initial temperature, T₁ = 21°C = 294 K

Final volume, V₂ = 74000 m³

We need to find the final temperature inside the balloon. The relation between the temperature and volume is given by charles law i.e.

$\dfrac{V_1}{T_1}=\dfrac{V_2}{T_2}$

Where

T₂ is the final temperature

So,

$\dfrac{V_1}{T_1}=\dfrac{V_2}{T_2}\\\\T_2=\dfrac{T_1V_2}{V_1}\\\\T_2=\dfrac{294\times 74000 }{55500 }\\\\T_2=392\ K$

So, the new temperature is 392 K.

8 0

2 years ago

If you freeze water, what do you get?

jeyben [28]

Answer:

Ice

Explanation:

its sooooooooooo easy

4 0

2 years ago

Read 2 more answers

Question 4 Solve and report to correct number of significant figure 2.375 + 4.5

DiKsa [7]

Answer:

6.9 (two sig figs)

Explanation:

2.375 + 4.5 = 6.875 = 6.9

When adding or subtracting, sig figs are determined by the least number of digits past the decimal point.

8 0

3 years ago