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Brrunno [24]
2 years ago
10

I don’t know what to say

Chemistry
1 answer:
Margaret [11]2 years ago
5 0

Answer:

ugh it’s not coming out

Explanation:

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Think about what you know about science today. How do you think scientific knowledge will be different in 100 years?
algol [13]

Answer:

I think we will know a lot more about the universe and the things around us. We may also know a lot more about other planets, such as Mars and Saturn, and we might also know a lot more about other stars in the universe.

Explanation:

3 0
3 years ago
Which type of spectrum can be produced by a solid, liquid, or gas?
Karo-lina-s [1.5K]
There aren't any options given but I would say the answer is "continuous spectrum" 
3 0
3 years ago
Read 2 more answers
Calculate the volume of carbon dioxide and water vapour produced and the volume of oxygen remaining, when 20.0 dm3 of propane re
laiz [17]

Answer:

80cm3 of water, and 60cm3 carbon IV oxide is formed while 20cm3 of oxygen is left unreacted.

Explanation:

From Gay-Lussac's law, there are five volumes of oxygen, 1 volume if propane, 4 volumes of water and three volumes of CO2. Applying this shows the reacting volumes as we have in the image attached, hence the volumes left after reaction.

6 0
3 years ago
A student measures the volume of a solution to be 0.01370 l. How many significant digits are in this measurement?
Mkey [24]

A student measures the volume of a solution to be 0.01370 have 5 significant digits in this measurement.

<h3>What are significant digits?</h3>

The significant digits are the minimum number from zero to nine for reporting any measurement where the digits are uncertain.

The significant digits starting from zero are not significant digits, decimal is not a significant digit, and ending zero after the decimal are significant digits.

Therefore, the student measures the volume of a solution to be 0.01370 5 significant digits are in this measurement.

Learn more about significant digits, here:

brainly.com/question/1658998

#SPJ4

7 0
1 year ago
A chemical reaction was carried out three times. The mass of the product was 8.93 g for the first trial, 8.94 g for the second t
joja [24]

The three mass value measure are precise mass

<u>explanation</u>

precise mass is term use to describe data from experiment that have  been repeated several times. An experiment that yield tightly grouped  set of data it has a high precision.  8.93 , 8.94  and 8.92 are precise mass since they have repeated severally

6 0
3 years ago
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