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Mila [183]
3 years ago
13

Determine the highest temperature at which reaction 2 is spontaneous

Chemistry
1 answer:
Effectus [21]3 years ago
3 0
I think the answer will be idk !:) so put the answers that u have because i need to knnow
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What is cells function of animal cell??<br>PLZ HELP ME ​
olga nikolaevna [1]

Answer:

Controls the movement of substances into and out of the cell.

7 0
2 years ago
If 20 grams of N2 react completely with H2 , how many moles of NH3 are produced? Show Work
Maslowich
This is the balanced eq
N2 + 3H2 -> 2NH3
first you need to find mole of N2 by using
mol = mass ÷ molar mass.
mol N2= 20g ÷ (14.01×2)g/mol
=0.7138mol
then look at the coefficient between H2 and NH3.
it is N2:NH3
1:2
0.7138:0.7138×2
0.7138:1.4276 moles
moles of NH3 = 1.4276 moles
5 0
3 years ago
If you were givin 2.50 moles of.sodium bromide, how many grams of salt do you have
mihalych1998 [28]

Answer: 257.23

Explanation:

7 0
3 years ago
Calculate the mass of 488 moles of calcium carbonate
san4es73 [151]

Answer: 48800g

Explanation:

Using the mathematical relation : Moles = Mass / Molar Mass

Moles = 488

Molar mass of CaCO3 = 40 + 12 + (16 x 3) = 100g/mol

Therefore

488 = mass / 100 = 48800g

6 0
2 years ago
The electronegativity is 2.1 for h and 1.9 for pb. based on these electronegativities pbh4 would be expected to
Sedbober [7]
PbH4 will be formed as a result of a polar covalent bond between the H and the Pb.

Since H is more electronegative than the Pb, it is, thus, expected that the H would be able to pull the electron charge towards itself. This will result in the H being negative.

Based on this:
PbH4 would be expected to <span>have polar covalent bonds with a partial negative charges on the H atoms. </span>
8 0
3 years ago
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