Angles and Angle Measurement: Question 1
Together, angles A and B form a 90° angle. Angle A measures 54°. What is the measure of angle B?

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.)

  the mississippians were considered to be  horticulturalists, which means they were

Adepositional also feature that forms where a stream enters a lake or an ocean is a