Recent activity by David Portabella

Recent activity by David Portabella

When fans arrived in spain how were they used

answered Oct 25, 2024

1 answer 3.0k views

What are four of the qualities required for a health relatonship

asked Sep 26, 2024

1 answer 125k views

Calculate the formation constant for the formation of [Cu(en)2(H2O)2]2+ from [Cu(H2O)6]2+ , given that ΔG∘ is −111.8kJ⋅mol−1 at 298 K .

answered Sep 16, 2024

1 answer 157k views

Treating employees differently based on their age, such as only inviting younger employees to attend training, can result in adverse legal consequences. True or False?

asked Aug 6, 2024

1 answer 41.8k views

What are the synonyms of 'bring about'? 1) Cause 2) Generate 3) Engender 4) Entail 5) Produce

answered Jun 29, 2024

1 answer 101k views

When very dilute nitric acid reacts with a strong reducing agent such as magnesium, what is the expected outcome? a. Formation of nitrous oxide b. Release of hydrogen gas c. Production of nitrogen gas

asked Jun 23, 2024

1 answer 192k views

Local or intrinsic control of motility and secretion in the gi tract is afforded by _______

asked Jun 17, 2024

1 answer 229k views

What is the solution to the system of equations? {y=5x−10 {y=−3x+14 Enter your answer as the correct ordered pair, like this: (42, 53)

asked Jun 13, 2024

1 answer 35.0k views

During the late 19th and early 20th century, Marie Curie and her husband discovered polonium and radium. Once they started exploring the properties of these metals, they coined the term "radioactivity.

answered May 23, 2024

1 answer 81.3k views

What does the "Aspen effect" and Desmond's work on eviction tell us about the effects of economic segregation? A. Economic segregation leads to increased social mobility. B. Economic segregation has no

asked May 3, 2024

1 answer 234k views

A falling apple's mass is 20 kg and its velocity is 12 m/s. Find its KE.

asked Apr 1, 2024

2 answers 36.8k views

The 2016 romantic musical comedy La La Land reflected the _____. a) Struggles of modern technology b) Glamorous nostalgia of Hollywood's golden era c) Harsh realities of contemporary urban life d) Futuristic

answered Mar 18, 2024

1 answer 192k views

If 40% is equal to the fraction x/30, what is the value of x? A. 0.4 B. 15 C. 1,200 D. 12

answered Mar 16, 2024

2 answers 214k views

Which of the following is true about the main content (MC)? 1) It is the primary focus of a document or webpage. 2) It is the most important part of a document or webpage. 3) It contains the main information

asked Feb 25, 2024

1 answer 59.4k views

What is a large celestial body that is composed of gas and emits light.

answered Feb 19, 2024

1 answer 135k views

select the correct answer from the drop-down menu. Richard wants to install a paver patio in the shape shown the dotted line represents a line of symmetry. how many square yards of paver does Richard need

asked Aug 16, 2023

1 answer 29.6k views

Find the product 54,612 x 46?

answered Aug 8, 2023

1 answer 94.9k views

PLEASE HELP: Explain why most substances are carbon compounds?

asked Jul 25, 2023

2 answers 219k views

Verify trigonometric identiy

answered Jul 22, 2023

1 answer 229k views

HELP PLEASE. Check picture. I have tried but cannot seem to get it.

asked Jul 18, 2023

2 answers 196k views

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