Here try this presentation, it should help :)
https://prezi.com/6ofdo3fadl9a/exothermic-and-endothermic-reactions-in-everyday-life/
The balanced equation for reaction of chlorine gas with fluorine gas is written as follows
Cl2(g) + 3 F2(g) = 2ClF3(g)
chlorine react with flourine to form CIF3 . The phases of reactant and product is the gas phase
Answer: Contamination
Explanation: This is a known contrainst when performing transformation in the lab. Normally the Pglo plasmid asides glowing under UV, possess a Amp gene that codes for resistance to the antibiotics Ampicillin. Transform cells will survive while untransformed cells will normally die. If untransformed (non glowing, non Ampicillin resistant) cells thrive in the medium, it is definitely a case of contamination. Start again but this time, disinfect appropriately bad be cautious of any potential contamination.
Answer:
A reaction between a strong acid and a weak base.
Explanation:
The conjugate acid of a weak base is a strong acid.
The reaction above is reversible, so we can write
Thus, the solution of the salt will be acidic, because it produces hydronium ions.
Example;
Ammonium chloride is the salt of a strong acid (HCl) and a weak base (NH₃).
Solutions of NH₄Cl are acidic.
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Hello!
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❖ The correct answer choice is C. Natural selection usually causes a species to change gradually.
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