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The "roasting" of 48.7 g of ZnS at constant pressure gives off 220. kJ of heat. Calculate the Î”H for this reaction.2ZnS(s) + 3O2(g) â†’ 2ZnO(s) + 2SO2(g)a. âˆ’110 kJ/mol rxnb. âˆ’293 kJ/mol rxnc. âˆ’440.

asked Dec 24, 2024

1 answer 97.3k views

Before attempting to undertake a career in the film industry, it's important to investigate the skills and qualifications required, as one should with any job. mark this and return time rema 54:2 to put

answered Dec 19, 2024

1 answer 24.1k views

Ammonia reacts with oxygen to form nitric oxide and water vapor: 4NH3 + 5O2 → 4NO + 6H2O What is the theoretical yield of water, in moles, when 40.0 g NH3 and 50.0 g O2 are mixed and allowed to react?

asked Nov 1, 2024

2 answers 42.8k views

D. Error/s: Original: i think that people need money so they can get all the things they need to secede in they’re job’s. Edited:

asked Oct 25, 2024

1 answer 164k views

Express the given quantity as a single logarithm: 15ln(x²)⁵ - 12ln(x) - ln((x²)(3x²))²?

asked Sep 20, 2024

1 answer 213k views

In the short story To Lotti with Love what is ironic about the letter found in the hat

asked Sep 10, 2024

1 answer 162k views

A nurse is preparing a program for a parent group about various techniques that can be used to manage behavior. Which of the following would the nurse be least likely to include? A) Focus the child's attention

answered Jul 28, 2024

1 answer 50.3k views

How were people in the middle colonies different from those in the New England and souther colonies

asked Jun 28, 2024

2 answers 184k views

Solve the system of equations below. State your answer in the form (x, y, z). In the area below show all steps, and make sure to check your answer. {x - y + 2z = 6 {2z + y - 2z = -3 {-x - 2y + 3z = 7

asked Jun 28, 2024

1 answer 140k views

The choir is selling 100 coupon books for a fundraiser. Each book is being sold for 10$. The books cost $350 for the band to purchase. If they sell all of the coupon books, how much profit will be raised

asked Jun 21, 2024

1 answer 138k views

Use a graph to find a number δ such that if x − /6 < δ, then cos^2(x) − 3/4 < 0.15.

asked May 21, 2024

1 answer 123k views

Explain how Fishing methods can be improved to make fishing commercial

asked Apr 19, 2024

1 answer 198k views

Which of these is Minnesota broker Nancy NOT required to retain for six years? A. Transaction records of all property management activities. B. Records of all real estate sales transactions, including

answered Mar 18, 2024

1 answer 211k views

Communications satellites are placed in orbit so that they remain stationary relative to a specific area on the earth's surface. they are given the name synchronous satellites because, to maintain such

answered Feb 27, 2024

1 answer 153k views

Scrie fracțiile reprezentate de părțile colorate din desenele de mai jos

answered Feb 25, 2024

1 answer 188k views

The most important criterion in determining whether conflict is functional or dysfunctional is a. overall morale. b. turnover rates. c. absenteeism levels. d. group performance.

answered Feb 8, 2024

1 answer 183k views

Factor the quadratic expression.5x2 – 17x - 405x2 - 17x - 40 = (Factor completely.)

asked Oct 21, 2023

1 answer 172k views

how did the role of women change the longer that a group farmed? what insight does that give you into the values of farming communities

asked Oct 7, 2023

1 answer 221k views

If a1=6 and a5=12, what does a3=?

answered Oct 1, 2023

1 answer 173k views

What country has been involved in vietnam for almost a century before the united states? great britain italy france japan

answered Aug 23, 2023

2 answers 172k views

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