harithjoypesp6vjby harithjoypesp6vjby

18-08-2018
Chemistry

contestada

Cold packs contain chemical that react to absorb heat. Which substances is used in cold packs?

A. Calcium Chloride
B. Sodium Carbonate
C. Magnesium sulphate
D. Ammonium nitrate

Respuesta :

Dawniee Dawniee

18-08-2018

D. Ammonium Nitrate. Firstly, I know because its the substance that when dissolved in water is colder than the beginning liquid, and Secondly, I cheated and looked in my first aid kit on an ice pack

Answer Link

Otras preguntas

what is 46/200 as a decimal

Which of these characteristics best describes a Communist economy? Company owners sell shares in their companies to the government. The concept of supply and de

Sea otters are important predators of sea urchins, an animal that eats giant brown kelp in continental shelf zones where they form huge kelp beds. It was observ

TRUE OR FALSE: Every diameter of a circle is a chord. Justify your answer using what you know about diameters and chords.

which shows the correct order of organization from smallest to largest

Tools used by geologists

im in year 8 and need to write an essay on a book . i dont understand how to do this or how to go about it the question is evaluate the effectiveness of key the

372 students ride the bus to school. if this number is 60% of school enrollment, then hoe many students are enrolled

1 In Eastenders, The Queen Victoria pub is at the corner of Albert Square and which street? 2 Which musician was born Philippe Pagés in Paris in 1953? 3 Which f

The element nitrogen has the atomic number 7 and an atomic mass of 14. How many neutrons does an atom of nitrogen contain