Answers by Matteo Rulli
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Answers by Matteo Rulli

Answers by Matteo Rulli
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What is the concentration of a solution containing: a 4 moles in 2 dm of solution? b 0.3 moles in 200 cm3 of solution?​
answered Apr 23, 2022
13 votes
209k views
Which of the following statements about Japan is NOT true?: - Its large military results in a low crime rate. - It gives large amounts of money to poorer countries. - It has the lowest infant death rate
answered Mar 14, 2022
5 votes
233k views
Which situations can be simulated using this spinner? Select three options. A spinner with 6 equal sections. A: Predicting the gender of a randomly chosen art teacher if 1 of 3 art teachers is female B:
answered Dec 22, 2021
3 votes
121k views
The Industrial Revolution brought significant changes to the world. No aspect of society remained free from its influence. Which part of society do you think it impacted the most? Write a two to three
answered Nov 30, 2021
4 votes
3.4k views
Which event most likely influenced the creation of the science fiction genre? A.The Industrial Revolution B.World War I C.The Civil War D.The Gold Rush
answered Jul 31, 2021
2 votes
45.8k views
What did Hitler call his followers and army?
answered Jul 9, 2021
1 vote
214k views
How did the tariffs controversy expose sectional differences between the North and South?
answered Jun 23, 2021
0 votes
24.5k views
How was Einstein's theory that energy and mass are interchangeable eventually proven to be correct?
answered Apr 16, 2021
6 votes
197k views
Student tickets for the school play cost $2 less than adult tickets. If a represents the price of one adult ticket, write an expression for the price of a student ticket.
answered Mar 11, 2021
6 votes
117k views
3. Answer the following questions. a. How does computer number system play calculations? a vital role in a computer​
answered Feb 25, 2021
1 vote
147k views
Someone who has good logic and is reasonable or practical is​
answered Feb 9, 2021
2 votes
66.8k views
Peter is a beekeeper who sells jars of honey and honeycombs at the market. For every 10 jars of honey he brings to the market, he brings 3 honeycombs. Which of the following could be what Peter brings
answered Mar 4, 2020
3 votes
25.1k views
Match the following vocabulary words. 1 . stress The enlargement of material when heated. 2 . inclined plane Scientist engaged in applying scientific principles to the invention or manufacture of machines.
answered Mar 1, 2020
2 votes
197k views
Which inequality represents the statement below? The sum of a number and 6.4 is less than 9.9. A. X+9.9 <6.4 B. X+6.4 < 9.9 C. X+9.9> 6.4 D. x + 6.4 > 9.9
answered Feb 25, 2020
3 votes
115k views
Which of the following is a combustion reaction? A. H2 (g) + Cl2 (g) → 2HCl (g) B. 2Na (s) + Cl2 (g) → 2NaCl (s) C. C (s) + O2 (g) → CO2 (g) D. CaCO3 (s) → CaO (s) + O2 (g)
answered Aug 30, 2019
4 votes
65.4k views
A class activity to study human cheek cells, a student takes a cotton swab and gently scrapes the inside of her mouth. In order to view the cheek cells using a compound microscope, what tool will the student
answered Aug 6, 2019
6 votes
130k views
What source of energy is needed to refine petroleum? Solar Wind Heat Nuclear
answered Jul 6, 2019
4 votes
8.7k views
________ floods a computer with requests until it shuts down and refuses to answer any requests for information. a) A Trojan horse b) A DDoS attack c) Port blocking d) A polymorphic virus
answered Mar 31, 2019
1 vote
95.2k views
Which two elements most commonly affect the mood of a story? imagery resolution climax setting
answered Mar 4, 2019
5 votes
104k views
Which expressions are polynomials? Select each correct answer. 3y2(x14) 9x2(y5) 4x2(y5) 8x2(3y)
answered Nov 18, 2018
3 votes
6.6k views
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