Answer: Sulfur dioxide is he gas formed in the chemical reaction below.
Explanation: The reaction between Acetic acid and Lithium hydrogen sulfite produces water, sulfur dioxide and lithium acetate. The balanced Chemical reaction is:
The gas produced is sulfur dioxide when this reaction takes place.
Answer:
11.29Kj
Explanation:
1. find moles of 33.8g of water
Molar mass of H2O: 18.02g/Mol
33.8/18.02= 1.88mols
2. find energy
1.88 x 6.02= 11.29Kj
Answer: it provides an objective standardized approach to conducting experiments and in doing so improves their results.
Explanation: the scientific method attempts to minimize the influence of bias or prejudice in the Expirimenter. Even the best intention scientists can't escape bias that's the job for the scientific method.
The heat energy from the fire is transferred to the pot by
- <em>radiation</em> — the hot coals radiate heat to the pot.
- <em>convection</em> — the hot gases from the fire travel upward until they reach the pot
The pot absorbs the heat energy and <em>conducts</em> the heat to the water inside.
The hot water <em>conducts</em> heat to the peas in three steps:
- warming the frozen ice and peas to 0 °C.
- thawing the ice and peas at 0 °C.
- heating the peas to 100 °C and cooking them at that temperature.
<em>Note</em>: Heat always flows spontaneously from a hotter to a cooler object.
Answer:
B) 12.5L
Explanation:
-We apply the mixed Gas Law:
Where:
is the given pressure of the gas
is the volume of the gas
is the number of moles of the gas
is the ideal gas constant and temperature respectively.
#We make V the subject of the formula and substitute to solve for it;
Hence, the volume of the gas is 12.5 L