Maame
This page lists questions and answers that were posted by visitors named Maame.
Questions
The following questions were asked by visitors named Maame.
1)20 mL of a saturated of potassium nitrae at 50oC. Approximately, what mass of solid will precipiatae from the solution? 2)At 80oC, what mass of sodium dissolves in 1.0L of water 3.What minimum temperature is required to dissolve 24 g of potassium nitrat...
13 years ago
The concentration of dissolved chlorine in tap water can be determined by adding excess potassium iodide and then using aqueous sodium thiosulphate to precipitate the resulting iodide ions. In Ontario, the aesthetic objective for chlorine in tap water is...
13 years ago
Suppose you are going to add 450 mL of a 0.10 mol/L hydrochloric acid solution to 250 mL of a 0.2 mol/L sodium hydroxide solution. a)Which one is the limiting reactant? b)What is the theoretical yield of sodium chloride?
13 years ago
0.75 L of hydrogen gas is collected over water at 25 oC and 101.6. What volumme will e dry hydrogen occupy 103.3 kPa and 25 oC? What is the balanced equation and what of numbers do i use ?
13 years ago
Chandra borrows some money at 7.2%/a compounded annually. After 5 years, she repays $12 033.52 for the principal and the interest. How much money did Chandra borrow?
13 years ago
Rico can invest money at 10%/a compounded quarterly. He would like $15 000 in 10 years. How much does he need to invest now?
13 years ago
Franco invests some money at 6.9%/a compounded annually and David invests some money at 6.9%/a compounded monthly. After 30 years, each investment is worth $25 000. Who made the greater original investment and by how much?
13 years ago
Each year, Eric invests $2500 at 8.2%/a compounded annually for 25 years. a) Calculate the value of each of the first four investments at the end of 25 years.
13 years ago
1. Mike wants to invest money every month for 40 years. He would like to have $1 000 000 at the end of the 40 years. For each investment option, how much does he need to invest each month? a) 10.2%/a compounded monthly b) 5.1%/a compounded monthly 2. Kenn...
13 years ago
Derek invests $250 per month for years at 4.8%/a compounded monthly. How much will his investment be worth at the end of the years?
13 years ago
Nancy lives in a subdivision where the streets are laid out in a grid pattern. Her school is six blocks south and four blocks east of her home. How many different direct routes could she take when she bicycles to school if she always stops by her friend’s...
12 years ago
Paula moves to an area with a different telephone exchange. Telephone numbers in the new exchange start with 753, and all combinations of the four remaining digits are equally likely. a) Calculate the probability that the last four digits in Paula’s new t...
12 years ago
Differences between print patch and calico patch
8 years ago
Answers
The following answers were posted by visitors named Maame.
okay, thank you, but i don't understand number two
13 years ago
At 80oC, what mass of sodium chloride dissolves in 1.0L of water
13 years ago
sorry, i made a mistake
13 years ago
i don't understand
13 years ago
i would be great to show me the answer , but do it step by step so i understand better
13 years ago
i would be great to show me the answer , but do it step by step so i understand better
13 years ago
PV = A( 1+i)^n =15,000(1+0.025)^-40 =$5586.46
13 years ago
i don't know , but here is the question again. Betsy inherits $15 000 and would like to put some of it away for a down payment on a house in 8 years. If she would like to have $25 000 for the down payment, how much of her inheritance must she invest at 9....
13 years ago
I disagree I think the answer is D Because they believed farmers and plantation owners could help them export cash crops and that would make farming the basis of the U.S
5 years ago