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son4ous [18]
3 years ago
14

Pleaseeee help me only 29 and 30

Chemistry
1 answer:
stepladder [879]3 years ago
3 0

Answer:

29: a. unbalanced

b. unbalanced

c. unbalanced

30. a. coefficient b. subscript c. formula unit d. element e. reactant f. product

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Experimental
Wewaii [24]

Answer:

Error.

Explanation:

An experiment can be defined as an investigation which typically involves the process of manipulating an independent variable (the cause) in order to be able to determine or measure the dependent variable (the effect).

This ultimately implies that, an experiment can be used by scientists to show or demonstrate how a condition causes or gives rise to another i.e cause and effect, influence, behavior, etc in a sample.

Cause and effect can be defined as the relationship between two things or events in which an occurrence one (cause) leads to the occurrence of another (effect).

Experimental error is a factor that can arise from incorrect use of measuring tools or malfunctioning equipment such as thermometer, barometer, multimeter, voltmeter, ammeter, vernier caliper, etc. This error usually causes test results to be inaccurate, incorrect and as such leading to wrong experimental conclusions.

Also, one common example of an experimental error is the error due to parallax.

7 0
3 years ago
Based on patterns in the periodic table which acid is strongest?
nasty-shy [4]

Answer:

HBr

Explanation:

Acidity is directly proportional to non metallic character. Moving from left to right and down the group non metallic character increases hence acidic strength increases. Based on this explanation HBr is strongest acid among given compounds.

5 0
3 years ago
Convert 600 m to mm.
anzhelika [568]

Answer:

600,000

Explanation:

In order to convert meters or metre to millimeter or millimetre, you must multiply the meter/metre by 1000. (Some countries say meter and others say metre.) Hope it helps! <3

5 0
3 years ago
Please answers the question​
frozen [14]
That is correct hope that helps
8 0
3 years ago
What is the temperature of a gas at STP?
Savatey [412]

Answer:

273 K

Explanation:

The temperature of a gas at STP is 273 K. This is equal to 0°C or 32°F.

3 0
3 years ago
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