PLEASE HELP FOR EXAM I'll give 5 star and brainliest

calculate the new volume if you have 2.00 L of a gas at 0 degrees Celsius, and raise the temp to 23 degrees Celsius.

using V1/T1 =V2/T2

Advice: You must convert the T numbers into degrees K - do not use degrees C. So, 23 C is 296 K.

the role of the microscope world in creating new materials .

? you expect us to answer this? ? this is your schoolwork, i don't think we can with this, i think it would considering being

answer: c. the experiment shows that the red substance experienced a chemical change.

explanation: chemical change is the change in which chemical composition of the substance changes. physical change is the change in which there is no change in chemical composition.

chemical changes are accompanied by following changes:

a) precipitate formation

b) energy is released or absorbed

c) formation of bubbles

d) change in color

as it is given that the red color has disappeared and there is production of gas, it means the red substance has undergone a chemical change.

e