An element's atomic number is 54. how many protons would an atom of this element have

Analyze how buffers allow you to eat acidic and basic foods without changing your blood pH.

Suppose you heat a liquid and then bubbles are produced. With no other evidence, can you tell whether a physical or chemical is occurring? Explain your answer

How do fuses and circuit breakers protect against electrocution and household fires?

Mountains are part of which earth sphere? a. cryosphereb. geospherec. hydrosphered. atmosphere

The diagram shows two charged objects, X and Y. Answer X: positive Y: positive

When water vapor condenses on the inside of a window, the window becomes

Try this out. Use a calculator! We can use the formula KE=0.5m*V^2. To find the kinetic energy (KE) of a payload of mass (m) 100 kg as it flies through the air at the velocity (v) of 55 m/s. (Multiply 0.5 x the mass x velocity squared.

Which group of measurements is the most precise? A) 2 g, 3 g, 4 g B) 2 g, 2.5 g, 3 g C) 2.0 g, 3.0 g, 4.0 g, 5.0 g D) 2.0 g, 3.0 g, 4.0 g

A 946.4 kg (2083 lb) car is moving at 14.8 m / s (33.0 mph). Calculate the magnitude of its momentum.

How do the positions of the hot and cold water affect the speed of convection