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3 years ago

NAD+ and FAD are called ____

Chemistry

1 answer:

Evgesh-ka [11]3 years ago

4 0

Answer:

Nicotinamide adenine dinucleotide

Flavin adenine dinucleotide

Explanation:

hope this helps ^^

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Calculate the hydroxide ion concentration [OH-] for a solution with a pH of 6.10

nalin [4]

There are different formula you need to keep in mind when solving for [OH-]

Given that pH = 6.10

pH + pOH = 14

6.10 + pOH = 14

pOH = 7.9

[OH-] = 10^(-pOH)

[OH-] = 10^(-7.9)

[OH-] = 0.000000013

[OH-] = 1.3 x 10^-8

<h2><u>Answer: [OH-] = 1.3 x 10^-8</u></h2>

4 0

3 years ago

The "air bags" that are currently installed in automobiles to prevent injuries in the event of a crash are equipped with sodium

stellarik [79]

Answer:

0.0177 L of nitrogen will be produced

Explanation:

The decomposition reaction of sodium azide will be:

$2NaN_{3}(s)--->2Na(s)+3N_{2}(g)$

As per the balanced equation two moles of sodium azide will give three moles of nitrogen gas

The molecular weight of sodium azide = 65 g/mol

The mass of sodium azide used = 100 g

The moles of sodium azide used = $\frac{mass}{molarmass}=\frac{100}{65}=1.54mol$

so 1.54 moles of sodium azide will give = $\frac{3X1.54}{2}=2.31$ mol

the volume will be calculated using ideal gas equation

PV=nRT

Where

P = Pressure = 1.00 atm

V = ?

n = moles = 2.31 mol

R = 0.0821 L atm / mol K

T = 25 °C = 298.15 K

Volume = $\frac{P}{nRT}=\frac{1}{2.31X0.0821X298.15}=0.0177L$

3 0

3 years ago

To protect itself from herbivores, plants ______

9966 [12]

C.) both secrete toxins and have thorns (It simply depends on what kind of plant it is)

3 0

3 years ago

Read 2 more answers

What is measured by the reaction rate? the probability that a reaction will occur the speed at which products form the time requ

Cloud [144]

Answer: the speed at which products form

Explanation:

Rate of a reaction is defined as the speed at which a chemical reaction proceeds. It is often expressed in terms of the concentration of a reactant that is consumed in a unit time or the concentration of a product that is formed in a unit of time.

For a general reaction : $A\rightarrow B$

$Rate=-\frac{d[A]}{dt}$

or $Rate=+\frac{d[B]}{dt}$

where d[A] = change in concentration of reactant A

d[B] = change in concentration of product B

dt = time interval

5 0

3 years ago

What is the molarity of 555 L of a Ba(OH)2 solution if the pH is 10.20?

Kipish [7]

pH is a symbolic representation of:

$pH=-\log \lbrack H^+\rbrack$

and for water we now that:

$\lbrack H^+\rbrack\lbrack OH^-\rbrack=10^{-14}$

that means the text give us the information to calculate the concentration of protons and therefore the concentration of ions OH-:

$pH=10.2\rightarrow\lbrack H^+\rbrack=10^{-10.2}^{}$

therefore the concentration of OH- can be calculated:

$\lbrack OH^-\rbrack=\frac{10^{-14}}{10^{-10.2}}=10^{-3.8}=1.58\times10^{-4}\text{ M}$

but they are not asking about the concetration of OH- they ask about concentration of Ba(OH)2 and for that we need to know the disolution stechiometry

$Ba(OH)_2\rightarrow Ba^++2\times OH^-$

Whic mean the concentration of Ba(OH)2 is half the concentration of OH-:

$\lbrack Ba(OH)_2\rbrack=\frac{\lbrack OH^-\rbrack}{2}=7.92\times10^{-5}M$

4 0

1 year ago