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1. ### The requirements of atoms to be able to participate in hydrogen bonding with a hydrogen atom include?

1. D, 2. A, 3. C, 4. D, 5. D, 6. B, 7. C, 8. B, 9. B?

1 Answers · Science & Mathematics · 15/12/2016

2. ### I need to solve this chemistry problem but I don t know how.?

... time is a constant here volume is constant so change in concentrations will follow the mole ratios in the reaction A + B → 2C change for C is 0.5 so change for each A and B is 0.25 (1 to 2 ratios) so initial...

1 Answers · Science & Mathematics · 29/11/2016

3. ### Chemistry help?? Are these correct?

1. No. K and I 2. No. MgCl2 3. No. Cr2O7^2- 4. No. Na and K 5. YES. You finally guessed correctly 6. YES.

1 Answers · Science & Mathematics · 12/11/2016

4. ### Which neutral atom in the ground state has the same electron configuration as a calcium ion, Ca^2+?

a. Ar

1 Answers · Science & Mathematics · 29/10/2016

Use the equation: Delta G = Delta H - T Delta S Let Delta G = 0, plug in your values for Delta H and Delta S (being careful to convert units so they...

1 Answers · Science & Mathematics · 20/10/2016

6. ### help with chemistry?

1. C- Cu 2. A - 2 3. A - 10 4. E- none of the above 5. A- Be2+ 6. D- 4.72×10^14 s−1 7. C-Ne

1 Answers · Science & Mathematics · 17/10/2016

7. ### Chemistry question! Help?

(a) (50.0 g C6H6) / (78.11 g/mol) = 0.64012 mol C6H6 (50.0 g C6H14) / (86.18 g/mol) = 0.58018 mol C6H14 (0.64012 mol C6H6) / (0.64012 mol + 0.58018 mol) = 0.52455 = 0.525 [mole fraction of C6H6 liquid] (b) (0.52455 x 0.1355 atm) + ((1 - 0.52455) x 0.2128 atm) = 0.17225 = 0.172 atm total (c) (0...

1 Answers · Science & Mathematics · 14/10/2016

8. ### A 6.85 g of a carbohydrate is dissolved to form 100.0 mL solution in water and has an osmotic pressure of 4.61 atm at 20.0ºC.?

...express osmotic pressure (e.g. if you want π in atm then R=0.082 L*atm/(mole*K)) C= the concentration of your solute in mole/L i is the van't...

1 Answers · Science & Mathematics · 17/09/2016

9. ### Mechanism?

...] substitute [C] into the rate equation for step 2: Rate = k[C][D] Rate = k[A][D] / [B] The ...

1 Answers · Science & Mathematics · 10/09/2016

10. ### chem help needed asap!?

A.) (2500 mL) x (30 + 273) K / (90 + 273) K = 2087 mL B.) (2500 mL) x 640 K / (90 + 273) K = 4408 mL C.) (2500 mL) x (-25 + 273) K / (90 + 273) K = 1708 mL D.) (2500 mL) x 240 K / (90 + 273...

1 Answers · Science & Mathematics · 10/07/2016