Chemistry, 12.02.2021 21:20 backyardmastrs
There are two bright stars in the constellation One of the stars appears red and the other star appears blue which of the following is the best explanation for the difference in the stars color ?
A the blue star must be moving toward earth in red star away from earth
B The red star must be moving toward earth in the blue star away from earth
C The red star must have a greater surface temperature compared to the blue star
D that blue star must have a greater surface temperature compared to the red star
Answers: 2
Another question on Chemistry
Chemistry, 21.06.2019 18:40
Determine the mass of fuel required for the expected energy consumption in the united states for the next ten years. energy use per person per year in the united states = 3.5 x 1011joules base calculations on current population of 310,000,000.
Answers: 2
Chemistry, 22.06.2019 13:10
Select the correct answer a modure consists of glucose and water. what is the percent composition of glucose in the mixture if it contains 1.3 moles of glucose (cho total mass of the mature is 276 grams? ) and the a 1775
Answers: 1
Chemistry, 22.06.2019 13:30
1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6
Answers: 2
You know the right answer?
There are two bright stars in the constellation One of the stars appears red and the other star appe...
Questions
Physics, 31.07.2019 20:00
Mathematics, 31.07.2019 20:00
Mathematics, 31.07.2019 20:00
Chemistry, 31.07.2019 20:00
Mathematics, 31.07.2019 20:00
Mathematics, 31.07.2019 20:00
