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notsponge [240]
3 years ago
8

I WILL GIVE BRAINLIEST PLEASE DO IT RIGHT!!! 1) Using the data below, create two simple line graphs on a separate sheet of paper

that will help you to determine the type of reaction. Your graphs should have the independent variable on the y-axis (temperature) and the dependent variable on the x-axis (time). Because we did not measure the time in the same intervals, you should do two separate graphs rather than a combined one. You must determine the correct spacing for your axis and the scale. Make sure that the graphs are labeled correctly and are titled.
2) How can you tell from your graphs which reaction was endothermic and which one was exothermic?

Chemistry
1 answer:
VLD [36.1K]3 years ago
3 0

Answer:Score” scatter plot shows an example of a positive relationship—as one variable increases, so does the other. The points in this type of scatter plot tend to go “uphill” from left to right

Explanation:Score” scatter plot shows an example of a positive relationship—as one variable increases, so does the other. The points in this type of scatter plot tend to go “uphill” from left to right

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If a compound contains a poly atomic ion then what type of compound is it A. Convalent Compound B. Ionic Compound
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Answer:

B. Ionic Compound

Explanation:

An ionic compound is that compound which contains a positively charged ion called CATION and a negatively charged ion called ANION. The cation loses or transfers electrons to the anion, hence, making the former (cation) positive and the latter (anion) negative.

A polyatomic ion is an ion that contains more than one type of atom e.g OH-, NO3²-, CO3²- etc. A polyatomic ion usually has an overall charge formed from the charges of the individual atoms that makes it up. For example, in OH-, the overall charge is -1.

Since a polyatomic ion can have an overall positive or negative charge, it must enter a reaction with another ion that complements it i.e. a negative polyatomic ion will react with a positive ion to neutralize its charge. Hence, this forms an IONIC COMPOUND. This is why most compounds with polyatomic ions are IONIC COMPOUNDS.

For example, CaCO3 is an ionic compound formed when Ca²+ (cation) reacts with the polyatomic anion: CO3²-

5 0
3 years ago
What is the molarity of a solution that contains 2 moles of solute in 4 liters of solution?
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n = 2
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