Read the list of four diferent substances. SUBSTANCES
1. Salt solution
2. Frozen yogurt
3. Copper penny
4. Baking powder
What do they all have in common?
A
They are all made of atoms.
B
They are in the same state of matter.
с
They have the same chemical properties.
ОО
D
They have the same physical properties.

Hannah is writing a report on how albedo affects the global climate. she’s proofreading her passage for any factual errors. which sentence must hannah correct before submitting her report? earth receives energy from the sun. this energy drives many of the processes on earth, including its climate. some part of this energy is reflected by earth’s surface. we use the term albedo to describe the reflected energy. albedo of an object is the ratio of the reflected radiation to the total radiation reaching the object. a value of 0 means no energy is absorbed by the object, whereas a value of 1 means that all of the energy is absorbed. in this way, the albedo of an object can influence earth’s atmospheric temperature.

Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?

Areaction in which products can react to re-form reactants is