What happens to your upper arm muscles when you bend your arm at the elbow to eat your favorite sandwich.

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

Achemistry student needs to standardize a fresh solution of sodium hydroxide. he carefully weighs out of oxalic acid , a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in of distilled water. the student then titrates the oxalic acid solution with his sodium hydroxide solution. when the titration reaches the equivalence point, the student finds he has used of sodium hydroxide solution.calculate the molarity of the student's sodium hydroxide solution. be sure your answer has the correct number of significant digits.

Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17