Positions W and X have different surfaces. W has sharp edges, while X has smooth edges. Which experiment will show how limestone can gain different surfaces?
A Cover one piece of limestone with soil, and expose another piece to wind and chemicals.
B Use chemical agents on one piece of limestone, and use physical agents on another piece.
C Compress one piece of limestone, and stretch another piece.
D Melt and cool one piece of limestone, and break up and cement another piece.
Solved
Show answers
More tips
- L Leisure and Entertainment How Many Seasons are There in the TV Show Interns?...
- S Sport When will the Biathlon World Championships 2011 take place in Khanty-Mansiysk? Answers to frequently asked questions...
- H Health and Medicine Trading Semen for Money: Where Can You Sell and Why Would You Want to?...
- F Food and Cooking Homemade French Fries: The Ultimate Guide...
- H Health and Medicine How to Increase Blood Pressure without Medication?...
- S Style and Beauty Choosing a Hair Straightener: Specific Criteria to Consider...
- F Food and Cooking How to Make Polendwitsa at Home?...
- S Science and Technology When do we change our clocks?...
- L Leisure and Entertainment What to Give a Girl on March 8?...
- F Family and Home Is it Worth Knowing the Gender of Your Child Before Birth?...
Ответ:
A. 71.3 g/mol
Explanation:
To solve this problem, we apply the ideal gas equation, PV=nRT where
P= pressure of the gas
V= volume of the gas
R= universal gas constant
T= temperature of the gas.
But the number of moles is given by mass/ molar mass
The application of this to obtain the molar mass is shown in the image attached.