Explain why it is important to change only one variable in an experimental setup

A neutral atom possesses an number of 13 and an atomic mass of 27. three electrons are lost. from what region of the atom are they lost? A. Outside the atom B. Outside the nucleus C. inside the nucleus D. both inside and outside the nucleus

Under which category will you classify Maple syrup?

1) A toy car with a mass of 2.35 kg is pushed with a force of 21.6 N. What is the acceleration of the car? a) Given Information: Write the given information in the problem.

Calculate the partial pressure of the CO2 in the expired air at its peak, assuming 1 atm pressure and a body temperature of 37∘C.

the volume of a gas at 155 kPa changes from 22 liters to 10 liters what is the new pressure if the temperature remains constant

The flame from my candle gives off black smoke heat and light what type of changes do these indicate

Which one of the following processes results in a decrease in the number of neutrons? corrosion electron capture gamma emission positron emission alpha emission

Calculate the root mean square velocity of F2, Cl2, and Br2 at 304 K.

The total pressure inside a 1.62 cylinder kept at 35°C is 1.15 atm. If the volume of the cylinder drops to 0.74 L and the temperature remains the same, what is the new pressure inside the cylinder?

What is difference between tempering and aging?