Balance the equation mno2 + hcl → cl2 + mncl2 + h2o?
using the smallest possible integer coefficients.

what is the sum of the coefficient?

1. 12
2. 15
3. 9
4. 7
5. 26

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

Chemistry worksheet - i am not sure what they are asking for exactly?