How do scientists account for errors in their measurements

In most chemical reactions the amount of product obtained is

A balloon has a volume of 9.8 L at 25oC. The temperature increases to 32oC. What is the new volume of the balloon?

Enter your answer in the provided box. Convert 2.39 mol of iodine gas, 12, to g. g 12

What is the mass of 2.4 * 1023 molecules of NO2? 12 g 1.2 * 102 g 75 g 1.1 * 1023 g 18 g

Calculate the temperatureoC that 0.2 moles of gas in a balloon at 2.0 atmoccupies 2.0 L.

Sodium and chlorine can bond together. sodium gives chlorine a needed electron. what is chlorine's charge after accepting the electron?

What astronomical equiptment did hypatia use?

Name each activity or observation as either physical or chemical change. 1) Boiling water for pasta 2) Digesting food 3) Soda goes "flat" 4) Stretching a rubber band 5) Grilling a hamburger 6) Adding sugar to tea 7) Adding lemon to tea 8) Mowing the

Ironing a shirt is an example of ... convection conduction radiation condensation

Which compound conducts electricity only in the molten state? A. sodium bromide B. calcium hydroxide C. barium sulfate D. magnesium sulfate