Answer:
A. Students made a measurement error, because ending with more products is impossible.
Explanation:
The law of conversation of matter tells us that in a chemical reaction, matter is never created or destroyed, it's simply converted from one form to another. So the mass of reactants should always equal the mass of the products in a chemical reaction. If there is excess mass in the product, the students have made an error of some kind.
Answer:
in particular 69-189 084 = 9283983
Answer:
55.95K
Explanation:
its obtained from Q=MCT where
Q-amount of heat
M-mass of water
C-specefic heat capacity of water
T-change in temperature
Answer:
a) 226 decimeter.
b) 0.556 L
c) 10.6 cm³
Explanation:
a) 22.6m * ( 10dcm / m) = 226 decimeter.
b) 556 mL * ( 1 L / 1000 mL ) = 0.556 L.
c) 10.6 Kg / m³ * ( 1000 g / 1 Kg ) * ( 1 m³ / 1000 cm³ ) = 10.6 g / cm³
