Recent activity by Roger Barreto

Question

A beaker contains 100 mL of 1.00 M NaCl. If you pour 50 mL of the solution into another beaker, what is the molarity of the solution in each of the two beakers?

asked Sep 24, 2024

1 answer 150k views

Kw = 5.48 × 10-⁻¹⁴ at 50 °C. A solution is prepared by dissolving 0.030 mol of Ba(OH)2 in 1.50 L of aqueous solution at 50 °C. What is the pH of the solution?

answered Sep 20, 2024

1 answer 78.0k views

Hurricanes are likely to form because more hurricanes form over tropical oceans than over colder oceans. Which of the following best explains this. a Air has more moisture over tropical oceans than over

answered Aug 22, 2024

1 answer 76.0k views

Without double bar lines, we would not be sure where a section of music ends. true false

answered Aug 2, 2024

1 answer 33.5k views

In Sugar Changed the World, Part 5: Developing and Refining Ideas, which goal does this passage best address?

answered Jun 7, 2024

1 answer 200k views

A conservative investor has $100,000 to invest. The investor has decided to use three vehicles for generating income: Municipal bonds, a certificate of deposit (CD), and a money market account. After reading

asked May 18, 2024

1 answer 28.1k views

Which statement is true about finding the midpoint between two points located on a horizontal or vertical line? O When finding the midpoint between two points on a vertical line, keep the y-coordinate

asked Feb 19, 2024

1 answer 218k views

.89m/s A vehicle that starts to move from the rest gets an acceleration of 5m/s² within 2 seconds. Calculate the velocity and distance covered by the vehicle within the given time. [Ans: 10m/s, 10m]

answered Nov 22, 2023

1 answer 157k views

THE REACTION OF LITHIUM ANDNITROGEN BELOW:L₁ + N2 => Li3 Na) BALANCE THE REACTION WITH THEMETHOD OF YOUR CHOICEB) IF 500grams of Li3 N are producedby theREACTIONTHEN WHATMASS OF N2 HAS REACTED DURING THEREACTION?

answered Nov 18, 2023

1 answer 78.1k views

What is the value of y?

answered Nov 12, 2023

2 answers 55.7k views

Create a Python program that ak the uer to enter 3 poitive number. The program hould validate that the character that the uer entered formulate a valid poitive integer and diplay an appropriate error meage

answered Sep 27, 2023

1 answer 120k views

Ordered society along a strict code of conduct and chivalry

answered Aug 26, 2023

1 answer 83.7k views

Write equivalent fractions for 5/6,4/9 and 5/12 using the least common denominator

asked Aug 10, 2023

1 answer 202k views

. Rocks containing _____ have magnetic properties. lodestar iron magnesia magnetite

asked Aug 6, 2023

1 answer 210k views

6 + 12(X + 3) = 7X + 30 + 6X

asked Jun 7, 2023

2 answers 49.5k views

A farmer pulls the cord on the bell on his barn to signal everyone that it is time to eat. Which of the following factors would most impact the speed of the sound waves coming from the ringing bell? (A)

answered Apr 29, 2023

1 answer 220k views

How did Joseph Stalin's plan to establish a buffer zone compare to Franklin Roosevelt's dedication to self-determination: A) The two leaders had very different world views. B) The two leaders had very

answered Feb 8, 2023

1 answer 185k views

High interest rates can have serious effects on the economy because businesses are less willing to take on debt to expand their production True or False

answered Nov 8, 2022

1 answer 153k views

Gill earned $10 on Thursday,$20 on Friday,and $15 on Saturday selling necklaces.He sold each necklace for the same amount.What is the most he could have charged for each necklace?

asked Nov 7, 2022

2 answers 229k views

when people are enslaved as long as they hold their fast language it as if they had the key of their prison

answered Oct 25, 2022

1 answer 156k views

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