ashleigh

This page lists questions and answers that were posted by visitors named ashleigh.

Questions

The following questions were asked by visitors named ashleigh.

i don't understand what an ethinic group is????

How many grams (to the nearest 0.01 g) of NH4Cl (Mm = 53.49 g/mol) must be added to 700. mL of 1.294-M solution of NH3 in order to prepare a pH = 9.70 buffer? (pka of NH3 = 9.25)

his expression showed how highly he valued his own opinions and scored the view of the others. smug?

The graph shows a probability distribution. Which probabilities are equal to 0.3? Select each correct answer. P(X≥3) <my choice P(5≤X≤8) P(X≤3) <my choice P(3≤X≤5)

How much water at its boiling point can be vaporized by adding 1.50 kJ of heat? ΔHvap for H2O = 40.7 kJ/mol

Answers

The following answers were posted by visitors named ashleigh.

i don't know either and i have to include it in a level assessed task help me!!! i have to explain the iron and sulphur reaction using the Big Idea Of Energy.. Help me !!!

2x+4y+1=0 y= 2-1/3x y-2x+2=0 3y-9x-1=0

How does modern technology help geographers?

what does the star mean

dont know don't understand