If I wrote 7h2o, how many hydrogen atoms do I have now? How many oxygen atoms?

Which of these accurately describes Newton's third law? "The relationship among mass, acceleration and net force." "The stronger the net force acting upon an object, the greater the acceleration of the object.

Which of these is a result of selective breeding? OA. kangaroos having a pouch OB. gorillas having black fur OC. fish being able to breathe through their gills OD. apples coming in many different varieties

How many liters of water can be formed if 1.26 liters of ethylene (C2H4) are consumed in this reaction

A 4.00 m solution of KCl was prepared using 1.00 kg of water at 25.0 ∘C. Once the solid had all dissolved, the temperature of the solution was 12.3 ∘C. Calculate the heat of solution, ΔHsoln, of KCl.

What types of materials are "Built" from petroleum?

If the average American throws away 4.5 lb of trash each day, and the population of the US is estimated to be 311 million people, calculated the number of metric tons of garbage thrown away in the US each year.

Difference between radical and compound

Water is a produced when 30.0 grams of hydrogen reacts with 80.0 grams of oxygen what is the limiting reagent

How are reactions and products related in a chemical reaction?

Ollie wants to sign up with an online social network called TeensMeet, which other kids at school have joined.