Which equation shows a conservation of mass?

a) H2 O → H2 + O2

b) Ag + Cl2 → AgCl

c) CaCO3 → CaO + CO2

d) KClO3 → KCl + O2

Which of the following statements is not true regarding atmospheric pressure?

Ways that charges can be transferred

When you push with a horizontal 15-N force on a book that slides at constant velocity, the force of friction on the book is A. Slightly more than 15 N B. 0N C. Slightly less than 15 N D. 15 N

If a (hypothetical) atom with 30 protons and 44 neutrons undergoes alpha decay: how many protons will be left in the nucleus? how many neutrons will be left in the nucleus?

An object that gives off electromagnetic waves based on it's temperature demonstrates which phenomenon

What is the period of a 1.00 m long pendulum?

Kaylie is describing the physical properties of an orange and a lemon. which two physical properties can she determine without using any measurement instruments

What is an example of a third class lever and why use it? A) pulley; changes direction B) baseball bat; increases velocity Eliminate C) car jack; increases the weight it can lift D) wheel barrow; makes it easier to move a load

1. The horizontal and vertical components of a projectile's velocity are a. directly proportional C. independent of each other b. inversely proportional d. equal

Which features involve compression? Select the three correct answers. A. Reverse faults B. Anticlines C. Folded mountains D. Normal faults E. Monoclines