A) 13g
b) 2.68g (2dp)
c) 51.87g
Tip: mass = moles x Mr
2. The molecular average kinect energy of A is higher than that of B
Answer:
metallic bonding
because it ids good conductor of electricity
Answer: when hot air and cold air clash they spin creating a vaccum which causes a tornado
Explanation:
Trainers use this substance because the reaction of the product on the skin is an exothermic one. This produces a feeling of warmth and heat. Heating an injury like a sprain with warmth or heat increases blood flow to the area and promotes healing as the flow of blood carries the necessary substances for healing.