Can DNA evidence exclusively conclude ancestry?

Consider the reaction between HCl and O2: 4HCl grams + O2 - 2 H2O liquid + 2 Cl2 grams When 63.1 grams of HCl react with 17.2 g of O2, 49.3 grams of Cl2 are collected. What is the limiting reactant?

How many grams of tin are found in 3.5 moles of tin

Pure aluminum metal has density 2.70 g/cm3. If we added a solid aluminum cylinder to a graduated cylinder containing 19.2 mL of water, and the water level rises to 24.7 mL, what is the mass of the aluminum cylinder?

What is the most common way atoms combine

Butane (c4h10) is the liquid fuel in lighters. how many grams of carbon are present within a lighter containing 7.25 ml of butane? (the density of liquid butane is 0.601 g/ml.) express the mass in grams to three significant figures.

Which equation represents a neutralization reaction? A) 6HC1O - > 4HCL + 2HCLO3 B) CH4 + 2O2->CO2+2H20 C) Ca (OH) 2+H2SO4->CaSO4+2H2O D) Ba (OH) 2+Cu (NO3) 2->Ba (NO3) 2+Cu (OH) 2

The average temperatures on the surface of five planets are given. Arrange the planets in decreasing order of their temperatures.

In most lewis dot structures of neutral compounds, carbon as the central atom will be bound to a maximum of how many atoms, nitrogen will be bound to a maximum of how many atoms, and oxygen will be bound to a maximum of how many atoms?

When particles are added pressure will do what and why

How is pressure related to buoyant force