# Posts by Maris

Total # Posts: 4

**astro**

According to this expression, if our Sun was replaced by a star twice the mass, how many days would our year be?

**chemistry**

A Can of CO2 contains 5.75gmolecules of CO2. Calculate (a)number of moles of CO2 (b) mass of CO2.

**Physics!**

Hey there Aliison, For this problem, you don't actually need to use kepler's laws, all you have to do is 1) find both the radii of the of the stars to the center of the system (denoted by R_a and R_b using the period equation T=(2*pi*R)/v) then, since they are in ...

**Math**

78 pounds

- Pages:
**1**