math
c=Cost m=miles c=$3.00+(m*$2.00) If the number of miles=1 c=$3.00+(1*$2.00) c=$3.00+$2.00 c=$5.00
6th grade Math
A sample of 50 people in Harrisburg indicates that 10 people of them know the name of the mayor of their neighboring city. Out of 5, 500 Harrisburgh residents, how many would you expect to know the name of the mayor of the neighboring city?
CHEM
mass of C in sample = mass of C in CO2 mass of C in sample = (0.8635 g CO2 / 44 g/mol)(1 mol C / 1 mol CO2)(12 g/mol) = 0.2355 g mass of H in sample = mass of H in H2O mass of H in sample = (0.1767 g H2O / 18 g/mol)(2 mol H / 1 mol H2O)(1 g/mol) = 0.0196 g mass of O in sample ...
CHEM
A 0.4647-g sample of a compound known to contain only carbon, hydrogen, and oxygen was burned in oxygen to yield 0.8635 g of CO2 and 0.1767 g of H2O. What is the empirical formula of the compound? i got C3H3O2 IS IT RIGHT?
Chemistry
WHATS THE GRAM OF H2O THEN?
Chemistry
oh nvmd yes the LR is O2
chem
COULD YOU PLS EXPLAIN IT TO ME.
chem
Consider the fermentation reaction of glucose: C6H12O6 ----) 2C2H5OH+2CO2 A 1.00-mol sample of C6H12O6 was placed in a vat with excess yeast. If 35.1 g of C2H5OH was obtained, what was the percent yield of C2H5OH?
maths
An observer on top of a building 66 metres high,finds the angle of elevation to the top of a taller building to be 34 degrees.The angle of depression to the foot of the same building is 51 degrees.If the buildings are on the same ground level find the height of the taller buil...
maths
Find the area of an equilateral triangle whose base is 10 cm.
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