n00bsss

Lv1

Tommy Underhill

0 Followers

0 Following

0 Helped

ANSWERS

Published7

Subjects

History1Law1Statistics1Chemistry4

You want to estimate the mean number of friends for all Facebook users. How many users must be in the sample if you want to be 95% confident that the sample mean is within seven friends of the population mean? Assume the standard deviation is 53.

You have 0 free answers left.
Get unlimited access to 3.8 million step-by-step answers.

Get unlimited access

Already have an account? Log in

n00bsssLv1

6 Jan 2023

Answer: In order to estimate the mean number of friends for all Facebook users...

When nitrogen dioxide (NO2) from car exhaust combines with water in the air, it forms nitric acid (HNO3), which causes acid rain, and nitrogen oxide; 3NO2(g)+H20(l)-->2HNO3(aq)+NO(g). a) How many molecules of NO2 are needed to react with 0.250 mol of H2O? b) How many grams of HNO3 are produced when 60.0 g of NO2 completly reacts? c) How many grams of HNO3 can be produced if 225 g of NO2 is mixed with 55.2 g of H2O?

You have 0 free answers left.
Get unlimited access to 3.8 million step-by-step answers.

Get unlimited access

Already have an account? Log in

n00bsssLv1

6 Jan 2023

Answer: The balanced chemical equation for the reaction between nitrogen dioxi...

HW 2 Chp5 Item 13
Nitrogen dioxide and water react to produce nitric acid HNO3 andnitrogen monoxide.
3NO2(g) + H2O(l) --> @HNO3(aq) + NO(g)
Part A:
How many grams of H2O are required to react with 26.0g NO2?
Part B:
How many grams of NO are obtained from 15.9g NO2?
Part C:
How many grams of HNO3 are produced from 8.25g NO2?

You have 0 free answers left.
Get unlimited access to 3.8 million step-by-step answers.

Get unlimited access

Already have an account? Log in

n00bsssLv1

6 Jan 2023

Answer: The balanced chemical equation for the reaction between nitrogen dioxi...

United States tax law
PLEASE QUICKLY thanks !

true or false

Teton purchased a truck in year 1, and sold it in May of year 3. The taxpayer can locate itspercentage for the truck on the MACRS table.

You have 0 free answers left.
Get unlimited access to 3.8 million step-by-step answers.

Get unlimited access

Already have an account? Log in

n00bsssLv1

6 Jan 2023

Answer:True. The Modified Accelerated Cost Recovery System (MACRS) is a method...

CH 5 Bon 2 Item 11
When the gases diydrogen sulfide and oxygen react, they form thegases sulfur dioxide and water vapor.
Part A:
Express the answer as a chemical equation. Identify all of thephases in the answer.
Balance the equation:
H2S(g) + O2(g) ---> SO2(g) + H2O(g)
Part B:
How many grams of oxygen are required to react with 2.70gdihydrogen sulfide?
Part C:
How many grams of sulfur dioxide can be produced when 38.7g oxygenreact?
Part D:
How many grams of oxygen are required to produce 55.9g water vapor?

You have 0 free answers left.
Get unlimited access to 3.8 million step-by-step answers.

Get unlimited access

Already have an account? Log in

n00bsssLv1

6 Jan 2023

Answer: Part A: The chemical equation for the reaction between hydrogen sulfid...

Liquid hexane CH3CH24CH3 will react with gaseous oxygen O2 to produce gaseous carbon dioxide CO2 and gaseous water H2O . Suppose 2.6 g of hexane is mixed with 2.83 g of oxygen. Calculate the maximum mass of carbon dioxide that could be produced by the chemical reaction. Round your answer to 3 significant digits.

You have 0 free answers left.
Get unlimited access to 3.8 million step-by-step answers.

Get unlimited access

Already have an account? Log in

n00bsssLv1

6 Jan 2023

Answer: In order to calculate the maximum mass of carbon dioxide that could be...

Define strategic voting and explain how it creates a 2-party system

You have 0 free answers left.
Get unlimited access to 3.8 million step-by-step answers.

Get unlimited access

Already have an account? Log in

n00bsssLv1

6 Jan 2023

Answer: Strategic voting is the practice of voting for a candidate who is not ...

n00bsss

Tommy Underhill

ANSWERS

Subjects

Weekly leaderboard