Answer: choice B
Explanation: Heat flows from high to low. After you convert the Celsius into kelvin the Zn pellet has 323K and the water has 301K which results the transfer of the heat energy of the pallet to the water. ( you don’t have to convert, but it just make it easier) hope this helped you :)
3 Mg, 0 Fe2O3, 3MgO, 2 Fe
Answer:
C.
Explanation:
The Clean Air Act was enacted in 1973 and brought to action in 1990. The act was passed to supervise air emissions to ensure clean air and atmosphere for people. The act was passed in the wake of premature deaths of hundred of thousands people. The act works with NAAQS to ensure safe and clean air for the safety of public health.
<u>From the given options the correct one is C. The Clean Air Act supervises the activities which emits air and any activities that is found to pollute the air will be labelled as illegal</u>.
Therefore, option C is correct.
Basicity of an acid is the number of hydrogen ions which can be produced by one molecule of an acid
Answer:
MIXTURE , ELEMENT AND SUBSTANCE
