liayad16 liayad16

01-06-2018
Chemistry

contestada

What are the four observations that confirm that a chemical reaction is happening?

Respuesta :

Raven678 Raven678

01-06-2018

1.) Precipitate is formed
2.) Odour
3.) Heat is emitted ( change in temperature)
4.) Formation of a Gas

Answer Link

Otras preguntas

A gas has a volume of 0.7 L at 300 mmHg. what would be the new volume at 900 mmHg

please show work!!!!!!!!!!!!

Select all the true statements about the cosmic microwave background radiation

Madison would like to improve her mood and reduce her risk of stroke. Which of there behavior would most help her reach this health goal

PLEASE HELP I WILL GIVE BRAINLIEST!!!!!!!!!!!!! If m∠A=59 and m∠3=81°, what is m∠B? m∠B= _[blank]_°

Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth. x^2 - 20 = x a. 5, 4 b. -5, -4 c. -5, 4 d. 5, -4

At $1.32 million, they closed last month for...19 percent above what they paid in 2007." How much did they pay in 2007?

help me please!!!!! asap

A gymnast dismounts off the uneven bars in a tuck position with a radius of 0.3m (assume she is a solid sphere) and an angular velocity of 2rev/s. During the di

The function models the number of accidents per 50 million miles driven as a function