Object is placed on a triple beam balance, and a student moves the sliders until it is balanced with the pointer resting at the zero mark. When the pointer is resting, these are the positions of the sliders: What is the mass of the object?

340.9 g
493.9 g
439.0 g
934.1 g

What is important to study for nios grade 12 chemistry? i have only one month left.

When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (δch< (c14h10,s)=–7061 kj mol−1.)

What are the three major branches of natural science? • earth and space science, life science, physical science •earth and space science, physical science, chemistry •physical science, life science, chemistry •life science, chemistry, physics