Hot water kept in a plate cools down faster then kept in a glass?

Por qué dos iones sodio reemplazan un ion de calcio o de magnesio

Which gases made up most of Earth's early atmosphere?

The arrangement of organisms into orderly groups based on their similarities is

What is the heat of solution? A) the amount of heat released when a vapor changes into a liquid B) the amount of heat absorbed or released when a solid dissolves C) the amount of heat required to change a solid into a liquid D) the amount of heat

Metal cations are atoms that have a positive charge. What type of bond is a metal cation likely to form? A. covalent bond B. double bond C. single bond D. ionic bond

If a particular ore contains 58.5% calcium phosphate, what minimum mass of the ore must be processed to obtain 1.00 kg of phosphorus?

What is the difference between friction and gravity

When an action force occurs, the reaction force is always Question 6 options: A. in the same direction as the action force. B. applied to the same object as the action force. C. nonexistent. D. equal and opposite to the action force.

Which is bigger 145 m or 145 km

How does a hydrogen ion change into a hydrogen atom?