When dynamite explodes, it releases a large amount of light and heat. This is an example of

slow combustion

rapid combustion

an exothermic reaction

an endothermic reaction

a chemical change

a physical change

a person begins to have issues when eating they cannot digest their food properly what other body systems will now be affected as a result of this problem

What are the four types of pressure membrane recognised for the treatment of water?

Which branch of chemistry studies the composition of substances

What energy source is used to produce most of the electricity we use today?

Ten grams of a gas occupies 12.5 liters at a pressure of 42.0 cm Hg. What is the volume when the pressure has increased to 75.0 cm Hg? 6.00 L 7.00 L 8.00 L none of the above

An atom of lithium loses an electron. What is the effect of this event? Group of answer choices The atom of a different element is formed. The atom of lithium acquires no charge. The atom of lithium becomes a positively charged ion.

Water interacts with polar substances like - OH groups but not with non-polar substances like methyl (-CH3) or ethyl groups (-CH2). Using this information, select the molecules that will easily dissolve in water based on polarity not on size.

Which of the following statements is not considered weather? The wind is blowing 20 miles per hour right now in Kansas. It is raining in Seattle. It is usually humid in Florida. It is snowing in Colorado.

A nickel atom (Ni) has a mass numbet of 61. how many neutrons does the atom have

Select the more electronegative element in each pair. a. Cl or Fb. Se or Oc. N or Asd. Na or Mg