Minute or miscrocopic bits of matter that are not visible to the naked eyes are known as will mark the brainlisst 1. trace evidence 2.associate evidence 3. testimonial evidence 4. demonstrative evidence

18. use the activity series to predict whether the following synthesis reaction will occur. write the chemical equations for the reaction if it's predicted to occur. (s) + o2(g) -> *note: it is possible.*

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.)

How to convert a density of 0.791g/cm3 to lb/ft3