How will a positive and a negative charge react to each other

Answers

Answer 1
Answer: They are attracted to each othet
Answer 2
Answer: Opposites attract (negative and a positive)
Likes repel to one another (positive and positive), (negative and negative)

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What is igneous rock?
in the equation 2kclo3 → 2kcl + 3o2, how many moles of oxygen are produced when 3.98 mol of kclo3 decompose completely?

The halogens, the elements of Family 17 on the periodic table, combine easily with elements from Family 1. When a halogen reacts with a metal, what type of compound is formed? 1.potassium             2. alloys            3.noble gas             4.salt

Answers

4. salt
and example would be sodium chloride e.g. table salt

Answer:

got it right from study island

Explanation:

When the drug heroin comes into contact with the Marquis reagent chemical what happens?

Answers

when it comes into contact with It will turn purple
When the drug herion comes into contact with the Marquiw reagent, it changes color to purple. 

An experiment produced 0.10 g CO2, with a volume of 0.056 L at STP. If the accepted density of CO2 at STP is 1.96 g/L, what is the approximate percent error?

Answers

According to the accepted density of CO2, we can get that 0.10 g CO2 has a volume of 0.10/1.96=0.051 L (theoretical value). The percent error = (0.056 - 0.051)/0.051 * 100% = 9.80%.

Describe the capillary action in acetone compared to water

Answers

Capillary action is defined as the ability of a liquid to go up a narrow space without the help or opposition of external forces. One of the most important factors affecting capillary action is the intermolecular forces within a substance. The higher the IMF, the greater the capillary action. The H-bonding in water gives it greater IMF than acetone, so water has greater capillary action.
Liquid going up a thin space without the assistance off an opposite or opposing force

Can someone pls help indicate the number of significant figures with these numbers: 34g, 564 l, 19.3 mm, 23.45 mg, 101 km, and 3400 g

Answers

The concept of significant figures are mainly used by scientist and engineer to know the significance of digits in a measurement. Therefore, significant figures gives an idea about the digits that are necessary to indicate the experimental value.

What is significant figures?

Significant figures are the figures that indicate the degree of accuracy of a value. It tells about the precision of a value.

Rules for counting significant figures are:

Number between 1 to 9 is always significant

Zeroes after a number has got no significance

Zeroes before a number has got no significance

Zeroes between number has got significance

34g              2significant figures

564l              3significant figures

19.3mm        3significant figures

23.45 mg     3significant figures

101 km           3significant figures

3400 g          2 significant figures

Therefore, significant figures gives an idea about the digits that are necessary to indicate the experimental value.

To learn more about Significant figures, here:

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The significant figures is two because that is the least amount of spaces before the decimal out of those numbers

If a measurement is recorded as 1.2 cm, what is the smallest marking on the instrument?

Answers

The smallest marking would be 1/10th of a centimeter