amberlyava
amberlyava
03-04-2019
Chemistry
contestada
what happens when air is heated in a ball
Respuesta :
helpmeasap54
helpmeasap54
03-04-2019
So air, like most other substances, expands when heated and contracts when cooled. Because there is more space between the molecules, the air is less dense than the surrounding matter and the hot air floats upward.
Answer Link
VER TODAS LAS RESPUESTAS ( 18+ )
Otras preguntas
Can medieval sleeping habits fix america’s insomnia?.
Which statement is true about the graphs shown?
How many terms are in the following expression? 2x + 5t -6
Which process contributes to the formation of layers in protoplanets when unstable elements release particles and energy?.
A local weather forecaster uses percentages to describe chances of precipitation. Do you think percentages should be used to express probabilities or fractions?
identify the oxidising and reducing agents in these reactions, by looking at the gaming and loss of ovygen.a) 2Mg + O2 = 2MgOB) Fe2O3 + 3CO = 2Fe + 3CO2
7. How did the Iraq War lead to ISIS? Explain your answer.
What is Doctrine of Lapse?
Ari is recording the number of laps he walks around the track each day, On Day 1, he walks 8 laps. On Day 2, his number of laps increases by 25%. On Day 3, he w
Write at least three different expressions that are equivalent to -1/2 (-12x+30) .
