If you observe bubbles forming in a mixture, what is happening?

A gas occupies 35 liters at a temperature of 75°C. What will its volume be if it's cooled to 25°C? Assume pressure stays constant.

The current global population is 7.7 billion people, and the WHO estimates the minimum water need per person per day is 15 L. An estimate of accessible freshwater available as groundwater, lakes, and rivers is 6.34 x 100 km².

Moving left to right across a row of the periodic table, which of the following values increases by exactly one from element to element? a. isotope number b. atomic number c. atomic mass unit d. mass number

According to Dalton's atomic theory, which of the following best describes an atom? Can be destroyed Present in all matter Composed of elements Does not contain particles

Which of the following processes are exothermic and which are endothermic? a) frost forms on a car window in winter; b) water condenses on a glass of ice water on a humid summer afternoon;

Explain two reasons why we can conclude that the rise of the water in the glass tube is due to root pressure and not transpiration or capillarity

Four type of molecular models

How many particles are in 1 mol of carbon? 1 mol of lithium? 1 mol of eggs? will 1 mol of each of these substances have the same mass?

An organic chemist plans for the synthesis of a complex organic molecule by

Which societal problem can be solved in part by scientist identifying areas of high biodiversity