chemistry
Calculate the density of M&M’s given the following data: Mass of 250.0 mL beaker = 197.816 g Mass of beaker and 20 M&M’s = 342.816 g Volume of water in graduated cylinder = 8.0 mL Volume of water in graduated cylinder and 10 M&M’s = 18.5 mL (Points : 3)
chem
A 14.3 L sample of gas at 23.45°C and a pressure of 123.45 kPa is heated until its temperature reaches 43.20°C and its volume is 16.72 L. What is the pressure of the sample of gas
chemistry
A student is asked to prepare 250.0 mL of 3.5 M copper (II) sulfate from solid copper (II) sulfate pentahydrate. Describe how this solution should be made in the chemistry laboratory.
Chemistry
Thx :)
Chemistry
solid sodium reacts violently with water, producing heat, hydrogen gas, and sodium hydroxide. how many molecules of hydrogen gas are formed when 48.7 g of sodium are added to water? 2Na + 2H2O ------> 2NaOH + H2
math
12 nickels
Math
Explanation please
Math
Before 1986, a gold bullion in the Federal Reserve Bank was rectangular and had a volume of approximately 727.7 cm3. The density of gold is 19.3 g/cm3. A pound is approximately 454 g. Find the weight of one gold bullion to the nearest tenth of a pound.
math
1.1232 players 2. There are 29 teams because 438\15 =29.2 so there will be a remainder of 2 people. 3. There are 16 students on each team because 544/34 =16. 4. 96 people are on teams (P.S. /=division)
math
Which of the following values is in the solution set of the inequality -8-7x>-6 a) 2 b) -2 c) -3 d) -1
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