Carbon Reasons: (1) Quicklime is produced by the thermally decomposing limestone, which produces carbon dioxide as a byproduct
<span>CaC<span>o3 --> </span>CaO+C<span>O2
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(2) Since this reaction requires a large amount of energy, fuel (usually coal) is burned, which produces carbon dioxide
Answer:
a. Jonathan would like to develop a hypothesis regarding the role of parental expression of affection in reducing toxic stress in early childhood.
Explanation:
A descriptive method is commonly known as a research method for describing the properties or features of the research area being investigated. Descriptive research is usually conducted by studying the trends of the phenomenon without changing the value of any variable in the system. Thus, the correct answer is option a.
Answer: The phase change for A and B respectively is condensation, freezing.
Explanation:
A process in which gaseous state of a substance converts into liquid state is called condensation.
For example, conversion of steam into water.
A process in which liquid state of a substance converts into solid state is called freezing.
For example, conversion of liquid water into ice.
Thus, we can conclude that the phase change for A and B respectively is condensation and freezing.
Answer: 107 grams
Explanation: got it right on the test