Recent content by bluegirlbalance

Thank you Zio X. you have been a real help and I get it know.

maybe it would help if I showed what I did to get x=-1 and then you could tell me what I am doing wrong. 9^(2x)=27^(x-1) =3^(2)(2x)=3^(3)(x-1) =4x=3x-1 =x=-1 So where did you get -4=-6 from?

So I was right before, x= -1?

1. 9^(2x)=27^(x-1) Since the base has to be the same on both sides, I think that the base has to be changed to 3, making the equation read 3^(4)(2x)=3^(3)(x-1). You would set the exponents equal to each other: 8x=3x-1, which would give you x=-1/5. Is this the right answer for this problem...

okay, since the base has to be the same of both sides, I say that 3 would be the base for this equation. I solved the problem and I got -1/5. Is this right?

I totally need urgent help on these exponential equations. I am so confused write now. I know that the bases for each equation has to be the same and that is x is squared you have to factor or use the quadratic formula to find the solution. I also know that the general steps to solve these...

Magnesium burns in oxygen gas to produce magnesium oxide. What mass of magnesium will react with a 0.25 L container of oxygen gas at 80oC and 770 mmHg? :confused: I need to use stoichiometry to set up the pronlem and PV=nRT to solve. I have three possible solutions, but I don't know...

As a hot air balloon rises to increasingly higher altitudes describe what happens to the volume of the balloon if at constant pressure? My teacher had us do a PTV cards activity, where we took an index card and wrote the letters P(for pressure), T(for temperature), and V(for volume)...

I totally need help on these problems about limited reactants. My teacher gave me an example: You intend to use the following recipe (Caution: it will turn your mouth bright red—be careful): 1 can frozen white grape juice concentrate 2 Tbs. red food color 1 tsp. yellow food color...