valentina

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

Questions

The following questions were asked by visitors named valentina.

If you submerge a silver teaspoon in copper sulfate solution, what reaction would you expect and why?

Why will a new nail react faster in copper sulfate solution than an old, rusty nail?

Explain how to make a 1.5M solution of copper (II) sulfate with a volume of 250 mL.

If 2 moled of copper(II) sulfate react with 3 moles of sodium carbonate, identify the limiting reagent.

if you react one mole of sodium hyrdoxide with excess copper(II) sulfate, how many moles of copper(II) hydroxid are produced?

How many grams of Lead (II) Nitrate are required to make a 350mL solution of 2.5M Pb2+?-

In a minimum of 300 words, discuss at least five selection criteria you would use to “weed” the sites, explaining why you chose the criteria you

which of the following statements accurately describes the development of the geologic time scale?

what significant contribution to Russian history did Prince Ivan III make?

cindy can type 50 words a minute. At this rate, how many words can she type in a half hour?

Yvonne put $4,000 in a savings account. At the end of 3 years, the account had earned $960 in simple interest. A. how much does she have in her account at the end of 3 years? B. at what annual simple interest rate did the account grow? c. how many more do...

A scale drawing of an American flag is 14 inches long and 6 inches tall. The actual flag is 3 feet tall. a. True or False, the scale of the drawing is 2 in. : 1 ft. is it false? b. What is the perimeter of the american flag in the scale drawing? c. What i...

Colombian coffee beans cost $5.50/lb while Peruvian coffee beans cost $4.25/lb. We want to mix the beans together so as to produce a 40 lb bag costing $4.60/ lb. How many pounds of each type of beans shouold be used ? Please help and show work

A car and a truck leave the park at the same time, heading in opposite directions. when they are 350 miles apart, the car has gone 70 miles further than the truck. How far has the car traveled? Can someone please help me I am horrible in word problems

Answers

The following answers were posted by visitors named valentina.

dont know but i got iceland for my report 2!

Help NOW PLEASEEEE

1. family, friends, and school work. 2. make us feel wise for buying our home years ago. 3. garden and return feeling much more relaxed.

u are correct except for number 2

thank you sooooooooooooo much!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!