<span>Spontaneous reactions need to be discovered first. Also, if reagents are transferred to the other cups used in the tests, it could contaminate them, leading to different colors being seen and the test results being invalid. Doing the reagent tests last ensure that the cups and reagents are only used on the substances that they are intended to.</span>
Answer:
True
Explanation:
Define purpose.
Construct hypothesis.
Test the hypothesis and collect data.
Analyze data.
Draw conclusion.
Communicate results.
Answer:
Nickel
Explanation:
This element and its alloys are used in pumps, valves, and other components that are in contact with acid and petroleum solutions
Answer:
will this work or help?
Explanation:
Calculate the mass of NaOH required to prepare a 0.343 M solution dissolved in 2500 mL of water. 0.343 M = x mol / 2.5 L = 0.86 mol 0.86.
As velocity increases, so does kinetic energy
