Answer:
Environment: They must be supplied and used in ways that have minimal safety and environmental stewardship have advanced safety regulations and practices, promulgated rules for reducing VOC emissions from oil and gas production and ... disposal protocols are similarly reducing negative impacts to air and water.
Explanation:
some students observe four different lab investigations. The students record their observations in a table.
Investigation
Observations
1
A beaker of water is
heated on a hot plate. Bubbles form in
the water, and steam is given off.
2
Oil is added to a beaker of water. Oil forms a layer on top
of the water
3
Sand and iron filings are mixed in a beaker. A magnet is
then used to separate the iron filings from the sand.
4
A piece of chalk is placed in a beaker of vinegar Bubbles
form as a gas is given off.
Which investigation most likely involved a chemical reaction?
Answer:
Number 4 is an example of a chemical reaction
Explanation:
heThe chalk is reacting with the vingear which is creating a new substance. The new substance is the gas that the reaction gives off.
If Enough Thermal energy And change of state, write each sentence.
Write (solid), (liquid), or (gas) to complete each sentence
If enough Thermal energy is added to a liquid, it will change to a
___________
Please explain in simple terms.
Spam = remove
Googling it = Remove
Answer:
If enough thermal energy is added to a liquid lets say cold it will freeze turning it into a solid. they same for a solid if enough thermal energy is added it can turn to a liquid or a gas.
Explanation: Its science.
Answer:
gas
Explanation:
I don't know, just it is gas bc the atoms gain space and move freely and yeah
PLEASE HELP!!!!!!!! giving brainlist
Answer:
I can only give the answer for the first page.
Explanation:
1. Thermal energy always moves from hot objects to cold objects.
2. When two states of matter reach the same temperature, it is called thermal equilibrium.