How do the atoms in the reactants compare to the atoms in the products?

2. When two forces act on an object in opposite directions, you calculate the net force by? A. Dividing the two forces. B. Subtracting the two forces C. Finding the average of the two forces D. None of the above

The diameter of an average size penny was found to be 1.95 cm. Which digit in the diameter of the penny represents the estimated digit? A 1 B 9 C 5

True or false. Steel is an example of a pure substance because it is made up of two different metals melted together.

Relacion entre presión de vapor, tensión superficial y punto de ebullición

A sample contains both CO2 and Ne in unknown quantities. If the sample contains a combined total of 1.25 mol and has a total mass of 47.6 g, what are the percentages of CO2 and Ne in the sample by mass?

What kind or plate tectonic boundary is the san anfreas fault?

Which city's climate is most similar to Jakarta, Baltimore or Kuala Lumpur? Data Table Shanghai, China (31° N, 121° E) Baltimore City, USA (39° N, 76° W) Helsinki, Finland (60° N, 24° E) Banff, Canada (51° N, 115° W) Kuala Lumpur, Malaysia (3° N

State four uses of protein in human body?

If a particular ore contains 55.1 % calcium phosphate, what minimum mass of the ore must be processed to obtain 1.00 kg of phosphorus? Express your answer with the appropriate units.

Which best describes thermal energy? It is the difference between internal energies of two or more substances It is the sum of internal energies of two or more substances O It is the portion of internal energy that can be transferred from one