# Posts by annabel

Total # Posts: 21

life orientation
by introducing campaign like NGO

Math algebra
If you have 6 cups of flour for pancakes and you have 2 cups of water

math
Wayne will get \$4200 if his salary is increase by 20%.Wayne's salary is 40% less the barry.Find Barry's salary.

math
Wayne will get \$4200 if his salary is increase by 20%.Wayne's salary is 40% less the barry.Find Barry's salary.

Chemistry
if the yieeld for the following reaction is 85% how many grams of Al2S3 should be used to produce 165 g of Al(OH)3? Al2S3+6H2O-->2Al(OH)3+3H2S

Chemistry
a mixture of 4.00 moles of hydrogen and 3.00 moles of oxygen is ignited, forming water. what is the maximum amount of water in grams that can be formed?

Chemistry
A solution contains 1.50 g of dissolved Pb 2+ ions. How many grams of NaI must be added to the solution to completely precipitate all of the dissolved Pb 2+ as PbI2?

Chemistry
A 1.8 mole sample of a compound weighs 195 g and is found to be 11.18% H and 88.82% C. What is the molecular formula for the compound?

chemistry

chemistry
q=m*c*change of t m=mass c= specific heat change of t= final temp- initial temp fill in these with your numbers and you should get the answer

Chemistry
A sample of iron ore contains 1.02 x 10^24 Fe atoms and is found to be 69.94% Fe by mass. What is the mass of the sample?

Chemistry
How many moles of O2 are needed for the complete combustion of 3 moles of CH4?

Chemistry
How many atoms are there in a 15.0-g sample of KBr?

Chemistry
How many atoms are there in a 15.0-g sample of KBr?

Writing
Complete the phrase: You give me love, You gave me life. You give me shelter, You gave me __________.

english
Harder to use because you have to make everything balance well, or it will throw it off.

english
I think they are harder because you don't have entire control over the string puppet, like wind can move it, and the strings can get tangled up.