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Acetylene gas (C2H2) used in welding, pro- duces an extremely hot flame when it burns in pure oxygen according to the reaction 2 C2H2(g)+5 O2(g) −→ 4 CO2(g)+2 H2O(g) . How much CO2 is produced when 20000
answered
Dec 1, 2019
Chemistry
college
5
votes
52.9k
views
A pyramid has a regular hexagonal base with side lengths of 4 and a slant height of 6. Find the total area of the pyramid. T. A. =
answered
Feb 3, 2019
Mathematics
high-school
1
vote
157k
views
Which condition is related to an increase in the size and number of fat cells in the body?
answered
Oct 20, 2018
Health
middle-school
5
votes
83.3k
views
Smog is a homogeneous mixture. true or false?
answered
Jul 1, 2018
Chemistry
high-school
3
votes
91.2k
views
A local coffee shop serves 2/9 as many customers as a shop run by a national coffee chain. The shop run by the chain serves 502 customers a day. About how many customers does the local shop serve in a
answered
Jun 6, 2018
Mathematics
middle-school
2
votes
74.7k
views
What is 4,331,507 expressed in scientific notation? A.4.331507 x 10B.4.331507 x 10C.4.331507 x 10D.4.331507 x 10
answered
May 20, 2018
Mathematics
middle-school
2
votes
30.7k
views
Which type of doctor treats the largest range of ailments?
answered
May 5, 2018
Health
college
3
votes
100k
views
Easy way to solve volume of cone
answered
Apr 9, 2017
Mathematics
high-school
0
votes
104k
views
Which of the following is the most appropriate unit to describe the rate at which water flows out through a standard household faucet? Minutes per gallon, because the independent quantity is volume of
answered
Feb 27, 2017
Physics
high-school
3
votes
153k
views
Daniel had 4 lemons and josh had 32 how many more lemons did josh have then daniel
answered
Jan 6, 2017
Mathematics
high-school
3
votes
220k
views
You paint 0.5 wall in 0.25 hour. At that rate, how long will it take you to paint one wall?
answered
Nov 9, 2016
Mathematics
middle-school
1
vote
144k
views
How many atoms are in Na2SO3 how many atoms are in K2CO3 how many atoms are in Hg2CL2
answered
Jan 13, 2016
Chemistry
middle-school
0
votes
54.6k
views
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