Answer:
Color Changes. A change in color often indicates a chemical change.
Temperature Changes. Changes in temperature might also indicate a chemical change has occurred.
Precipitates. The formation of a precipitate is a sign that a chemical change has occurred.
Light Emission.
Gas Production.
Explanation:
Answer:
TT gives you a tall plant
Tt gives you a tall plant cause the dominant trait over powers the non dominant trait
tt gives you a short plant because it has two rescesive traits
Explanation:
It is because due to the movement of the plates, natural diasters such as earthquakes take place on the earths surface.
hope this helps you
CH4 + 2O2 → CO2 + 2H2O + 890 kJ
MM of CH4 = (12.01 + 4x1.008) g/mol = 16.04 g/mol
Moles of CH4 = 45.5 g CH4 x (1 mol CH4/16.04 g CH4) = 2.837 mol CH4
q = 2.837 mol CH4 x (890 kJ/1 mol CH4) = 2520 kJ
