lestessanders02
01.02.2020 •
Chemistry
Which answer below correctly identifies the type of change and the explanation when potassium iodide and lead nitrate are mixed?
a. physical change because the observation of a solid forming is evidence of a state change, which is reversible
b. physical change because even though the mixture had a color that was different from either of the two solids alone, each solid’s physical properties remained exactly the same
c. chemical change because two substances were mixed, which always results in the formation of a new substance
d. chemical change because both a color change and a solid formation were observed, which provide strong evidence of a new substance
Solved
Show answers
More tips
- H Health and Medicine Why do our Joints Crack?...
- H Health and Medicine What Makes a Man a Man?...
- C Computers and Internet How to Get Rid of Spam in ICQ?...
- A Art and Culture Who Said The Less We Love a Woman, the More She Likes Us ?...
- F Family and Home How to Get Rid of Your Neighbors?...
- S Society and Politics How Could Nobody Know About the Dead Mountaineers?...
- H Health and Medicine How to Cure Adenoids?...
- H Health and Medicine Why Wearing a Back Brace Can Be Beneficial During Back Strain?...
- S Sport When and Where Will the 2014 World Cup be Held?...
- C Computers and Internet How to Choose a Monitor?...
Answers on questions: Chemistry
- H Health Which of these could be a reason why teens are more easily addicted to tobacco than adults? teens naturally have higher amounts of dopamine than adults. acetaldehyde...
- E English Judging from the tone of the essay, the author probably most strongly believes that a. advertisers are only in business to consumers make logical and planned purchases....
- B Biology Which of the following organisms does not have a cell wall? a. plant b. human c. bacteria d. fungi...
- H History What did the Bolsheviks plan to do after taking control of Russia?...
Ответ:
Explanation:
Use the graph to answer the questions. What does the bump in the graph represent? The energy of the products is v than the energy of the reactants. What type of reaction does the graph represent?