What is the ratio of hydrogen atoms (h) to oxygen atoms (o) in one water molecule? enter the simplest whole number ratio in order of hydrogen to oxygen, respectively?

The drawing represents the movement of particles in a substance. what changes of state can this substance undergo

Suppose that a certain fortunate person has a net worth of $71.0 billion ($7.10×1010). if her stock has a good year and gains $3.20 billion (3.20×109) in value, what is her new net worth?

In science class richard learns that a substance has a boiling point of 230 fahrenheit his teacher ask him to convert this temperature to degrees celsius what is the boiling point of his substance in degrees celsius