A canister filled with 7.8 mol of single-atom helium gas has a temperature of 290 K. What is the approximate total internal energy of the gas? A-15,100 J
B-9800 J
C-28,200 J
D-12500 J

Asap 1. which surface feature of the moon is characterized by mountainous areas? question options: maria terrae regolith craters 2.which statement describes surface features called maria on the moon? question options: layers of dust and rock deep areas of cooled lava deep, rocky and barren valleys highlands and mountainous areas

Acid precipitation chemically weathering a 5.0-kg limestone rock . which coukd be the result ?

Find an expression for the electric field e⃗ at the center of the semicircle. hint: a small piece of arc length δs spans a small angle δθ=δs /r, where r is the radius. express your answer in terms of the variables q, l, unit vectors i^, j^, and appropriate constants.