CeeCee

• Over the last century, do you think music has changed from being about artistic expression to being more about money and business? Is it even possible for a band or artist to make topical or political commentary in a song today while focusing on turning...

a student used a piece of copper with a mass of 2.85g and obtained 2.95g of copper at the end of the experiment, an apparent recovery of 104$. How could the student account for this result, since the best to expect is 100%.

the sand originally white, was a light pink after drying. How could the student improve the color of sand further?

A camper obtained a sample of water from a mountain stream for cooking, but the water appeared to be cloudy with silt. What would be the best method of separating the silt from the water?

the suction filtration flask has been taped with strong black tape. Why was this safety precaution a good idea?

a student tried to separate a mixture of sand and red-colored water using a suction filtration apparatus. From a mixture of 10.0g of sand and 90.0g of water, the student recovered 9.5g of sand. what was the percent recovery of sand from the mixture? the s...

if you are asked to "obtain about 3 g of sodium chloride weighed to the nearest 0.001 g should you weigh out exactly 3.000 g? explain your answer.

3 part question List the three techniques that can minimize error in measuring temperatures. What should you do if you spill anything on or near the balance? Name a piece of laboratory equipment is specifically designed to measure volumes.

3 part question If an object is completely submerged in a liquid, what volume of liquid does the object displace? List the special waste disposal instruments that must be followed. List the special safety precautions that must be taken.

Show calculation setups and answers for the following problems. a. convert 21 C Celsius to degrees Fahrenheit. b. convert 101 F Fahrenheit to degrees Celsius. c. convert 15 nm into km.

I'm doing online homework and the follow question has come up: Write the formulas of the compounds formed by Pb4+ with the following anions: NO3−, ClO3−, SO32−, H2PO4−. Express your answers as chemical formulas separated by commas. Use the given order of...