What is a converging lens

What occurs when the moon's shadow hits Earth or Earths shadow hits the moon

A student claims that the more valence electrons an element has, the more reactive it is. Which is an accurate counterargument to this student's claim?

What is the specific heat of silicon if it takes 192J to raise the temperature of 45.0g of Si by 6.0oC?

What is the difference between cells, tissues and organs

How many milliliters of concentrated hydrochloric acid solution (36.0% HCl by mass, density = 1.18 g/mL) are required to produce 14.0 L of a solution that has a pH of 2.12?

What is the greatest amount of ammonia (NH3) in moles that can be made with 4.7 mol N2 and 6.9 mol H2? Which reactant is limiting? How many moles of excess reactant will be left after the reaction?

Which one of these elements is an alkaline earth metal

Write the chemical equations for the neutralization reactions that occurred when hcl and naoh were added to the buffer solution.

Explain The relationship between engineering science and technology

Riya rides his bike 63 miles in 270 minutes. What is his average speed in miles per hour? Be sure to include the equation for speed in your answer. Answer quickly 2 min into question will mark brainlest