Answer:
The question is incomplete as some details are missing. Here is the complete question ; A chemist adds 45.0mL of a 0.434M copper(II) sulfate CuSO4 solution to a reaction flask. Calculate the mass in grams of copper(II) sulfate the chemist has added to the flask. Round your answer to 2 significant digits
Explanation:
The step by step explanation is as shown in the attachment
First blank is: Half-Life
Second Blank is: decay into its products
Observation/ question
research
hypothesis
<span>experiment
</span>analysis
conclusion
<span>Kc = [NO2]^4 / [N2O]^2[O2]^3</span>
Answer: A thing that died a long time ago, and it's bones were preserved in the ground.
Explanation:
Because yes