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The expression below is evaluated as shown. In which step does the first mistake appear? (23.8 ÷ 2 + 12) + 14.5 ÷ 2

answered Dec 21, 2024

2 answers 142k views

Give the ΔH value for the decomposition of phosphorus pentachloride as shown in the reaction PCl5(g)+67 kJ→PCl3(g)+Cl2(g) . Express your answer using three significant figures. If the value is positive,

asked Nov 20, 2024

1 answer 135k views

45 students participate in a sporting event. The winners are awarded rupees 1000 and all the others are awarded ruppees 200 each gor participation. If the total amount of prize money distributed is ruppees

asked Nov 15, 2024

1 answer 210k views

The Role of Central Serotonin Neurons and 5-HTTs

answered Nov 10, 2024

1 answer 53.1k views

What should you do with a pre-departure float plan? A) Ignore it B) Share it on social media C) Keep it confidential D) Use it as a paper airplane

asked Oct 25, 2024

1 answer 76.1k views

Choose four different characters from various shows or movies to represent different causes of the Civil War. (Characters cannot be from shows or movies about the Civil War.) A) Harry Potter - Facing discrimination

answered Oct 22, 2024

1 answer 105k views

Write the steps to solve the following: a) Convert 2.75 g Na to moles Na. b) Convert 4.7 moles H2O to grams H2O. c) Convert 1.18 x 10^26 atoms Au to moles Au. d) Convert 0.95 moles Cu to atoms Cu. e) Convert

asked Oct 20, 2024

1 answer 81.7k views

How did the election of Abraham Lincoln lead to the secession of South Carolina and other southern states? 1) As a Republican, Lincoln opposed the expansion of slavery and his victory convinced many southern

asked Oct 16, 2024

1 answer 199k views

Where is this tissue located and why does it contain so many chloroplasts?

answered Sep 25, 2024

1 answer 33.6k views

If we're in first class and a passenger doesn't put his laptop away, what would you say? If he refuses, what would you say?

asked Sep 8, 2024

1 answer 113k views

If Mark earns $450 interest on a 3 year investment of $6000, what is the interest rate? A. 8% B. 6.5% C. 2.5% D. 4.5%

asked Jun 10, 2024

2 answers 175k views

Can a guest add Sherry Glazed Mushrooms to their Steaks ?

asked May 6, 2024

1 answer 38.5k views

Do you think single-use plastic items, such as straws and grocery bags, should be taxed or banned? Why not

answered Apr 7, 2024

1 answer 18.1k views

How many liters each of a 55% acid solution and a 75% acid solution must be used to produce 40 liters of a 65% acid solution? (Round to two decimal places if necessary.)

asked Mar 20, 2024

2 answers 127k views

Removal of a keystone species may cause a) emergence of alternative community states b) reduction of species diversity c) simplification of pathways for energy transfers d) all of the above

asked Mar 5, 2024

1 answer 41.9k views

Sale! 50% OFF of the original price! The sale price of a mountain bike is £449. What was the original price? £ Submit

asked Feb 1, 2024

1 answer 153k views

A couple bought some stock for $30 per share that pays an annual dividend of $1.20 per share. After 2 years the price of the stock was $33. (a) What is the return on investment? (b) Find the simple interest

asked Nov 12, 2023

1 answer 1.2k views

Please help with equivalent ratios

asked Nov 11, 2023

1 answer 60.2k views

HELP PLEASE If in response to an increase in investment of $5 billion, equilibrium output rises by a total of $20 billion, then the marginal propensity to consume is A) .8 B) .75 C) .7 D) .6 E) .85

answered Aug 16, 2023

2 answers 136k views

Civics bro 1. Let’s go civics

answered Aug 12, 2023

1 answer 228k views

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