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chubhunter [2.5K]
2 years ago
13

In general, a catalyst speeds up a given reaction by providing an alternative mechanism that has a ______ activation energy, thu

s ______ the rate constant and the overall rate. Multiple choice question.
Chemistry
1 answer:
prisoha [69]2 years ago
5 0

Answer:

lower; increasing

Explanation:

hope this helps :)

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NAD+ and FAD are called ____
Evgesh-ka [11]

Answer:

Nicotinamide adenine dinucleotide

Flavin adenine dinucleotide

Explanation:

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4 0
3 years ago
Please help me guys to solve this problem!​
steposvetlana [31]

(a) distance measured with metre rule or tape rule

    time measured with stopwatch/ stop clock/ timer

    Average speed = total distance / time

(b) (i) decrease in speed

    (ii) Change in speed = a * t

        4.5 m/s

<em>hope this helps......</em>

6 0
3 years ago
What is the molar mass for 5 mol Na
zimovet [89]

Answer:

22.98977 g/

Brainliest please

4 0
4 years ago
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6 0
3 years ago
Complete the sentences to explain your reasoning.
vredina [299]

Answer:

1-b

2-weaker(option is incorrect)

3-a

Explanation:

1-b because iodine is more electronegative because of this negative on iodine will be more stable as negative charge on more electronegative element is more stable.

2-weaker as size of Te (Tellurium) is greater than S (sulphur) so bond length of H-Te is larger than H-S and therefore bond energy will be lesser and can easily give hydrogen in case of H-Te. as bond energy is inversly proportional to bond length.

3-a hydrogen has more negative electron affinity so hydrogen will have -1 charge and it will behave as a electron donar atom that is basic not acidic hence NaH is not acidic.

3 0
3 years ago
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