Prompts for Chemistry and Physics Questions

A difference of ±10% would be considered acceptable in this situation.

For values to be in agreement, percent error should be less than percent uncertainty.

[Ni(CN)4]2- for Ni(CN)₄^2- 

[NH4]+ for NH₄⁺ 

counterclockwise from the +x-axis

Type your answer using the format +1 and -2.

Concentration equilibrium expressions take the general form 'K_c = [HCl]² / [H₂] . [Cl₂]'.

Equilibrium expressions take the general form 'K_eq = [HCl]² / [H₂] . [Cl₂]'.

Pressure equilibrium expressions take the general form 'K_p = pHCl² / pH₂ . pCl₂'.

Pressure equilibrium expressions take the general form 'K_p = (pHCl)² / H₂ . Cl₂'.

Solubility equilibrium expressions take the general form 'K_sp = [Ag⁺ ] . [Cl^- ]'.

Separate substances in a list with a comma.

Rate expressions take the general form 'rate = k . [H₂] . [Cl₂]'.

Use the appropriate <, =, or > symbol to separate substances in the list.

Include states-of-matter under the given conditions in your answer.

Omit states-of-matter from your answer.

Include states-of-matter under SATP conditions in your answer.

Include states-of-matter under STP conditions in your answer.

Include states-of-matter under TSS conditions in your answer.

Use the exact values you enter for your data to make later calculations.

Type your answer using the format 1s2 2s2 for 1s²2s².

Type your answer using the format [Ar] 4s2 3d10 4p2 for [Ar]4s²3d¹⁰4p².

CO2 for CO₂ 

Al(OH)3 for Al(OH)₃ 

Use the from the Advanced menu to designate a generic portion of the molecule.

Include units in your answer. More information

Indicate the direction with the sign of your answer.

[A2]1+ / ([B2] * [C]1-) for [A₂¹⁺] / ([B₂] * [C^1-])

[CO2]2/[H2][Fe]2 for [CO₂]² / [H₂][Fe]²

Draw the appropriate arrows.

Omit lone pairs and any spectator ions from your answer.

Omit all hydrogen atoms from your answer.

All hydrogen atoms are implied, but any deuterium isotopes must be shown where appropriate.

To confirm that the charges are correct, right click on an atom and select the Charge submenu.

When entering units, use micro for the metric system prefix µ.

Select "none" if no further reagents are needed. If there are multiple possibilities, give the shortest route.

Type your answer using the format iron(II) ion for Fe²⁺.

Type your answer using the format copper(II) chloride for CuCl₂.

Type your answer using the format copper(II) chloride or cupric chloride for CuCl₂.

If the situation described is non-physical enter NONPHYSICAL.

Enter an unrounded value.

Substitute numeric values, do not use variables.

Enter the first (raised) number in the first box, the second (lower) number in the second box, and the symbol of the element in the third box.

Use beta for β and e to represent an electron.

Enter UP to indicate an upwards pointing arrow, DOWN to indicate a downwards pointing arrow, UP/DOWN to indicate two arrows, and BLANK to indicate no arrows.

Type your answer using the format +1 and -2.

Use any variable or symbol stated above as necessary.

Use any variable or symbol stated above along with the following as necessary:

Use only '>' or '=' symbols. If any elements are equal, show their equality in alphabetic order - for example: a>b=c.

Use only ">" or "=" symbols. Do not include any parentheses around the letters or symbols.

The values you enter for your sample calculation should exactly match the corresponding values you entered above.

Type your answer using one of the following formats, 1.2e-3 for 0.0012 and 1.20e+2 for 120.

If you enter your answer in scientific notation, round the decimal value to two decimal places. Use equivalent rounding if you do not enter your answer in scientific notation.

You will not submit this spreadsheet. However, the results will be needed later in this problem.

When entering units, use ohm for Ω .

Enter an unrounded value. Use at least one more digit than given.

Do not substitute numerical values, use variables only.

Use the following as necessary:

Use the following variables as necessary:

If the magnitude is zero enter NONE for the direction.

The magnitude is zero.