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Delvig [45]
2 years ago
13

Answer please i need it

Chemistry
1 answer:
bixtya [17]2 years ago
8 0
I believe it’s c since it’s 2.5 cups of flour for each butter
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What is the concentration of hydronium ions and hydroxide ions
nikdorinn [45]
To find the concentration of hydronium ions, take 10 raised to the negative pH:
10^-9.56= 2.75 x10^-10M

To find the concentration of hydroxide ions, take 10 raised to the negative pOH: 10^-4.44 = 3.63 x10^-5M
6 0
3 years ago
What is the parent isotope when Cl-33 is formed during a beta decay?
zzz [600]

Answer:

33/16 S

Explanation:

In beta decay, the atomic number of the daughter nucleus increases by one unit while the mass of the daughter nucleus remains the same as that of the parent nucleus.

Hence, if we know that a beta decay has occurred, then the parent nucleus must have the same mass as its daughter nucleus but have an atomic number that is less than that of the daughter nucleus by only one unit, hence the answer above.

7 0
3 years ago
Prandtl number in heat transfer analogues to which dimension less number in mass transfer. a) Schmidt number b) Sherwood number
Cloud [144]

Answer:

a) Schmidt number

Explanation:

Prandtl number in heat transfer is analogues to Schmidt number in mass transfer.

Prandtl number in heat transfer is the ration of momentum diffusivity to the heat diffusivity.

P_r = \frac{\nu}{\alpha}

Whereas, Schmidt number in mass transfer is the ratio of momentum diffusivity to the mass diffusivity.

S_c= \frac{\nu}{\nu_{AB}}

5 0
2 years ago
The atomic number of magnesium is 12 this is also the number of which of the following
frozen [14]
The atomic number represents the number of protons present in an atom.Therefore,the answer is B.
4 0
3 years ago
What is the physical state of element chromium
olga2289 [7]

Answer:

Solid metal.

Explanation:

At room temperature, Chromium (Cr), a transition metal, is a solid.

7 0
3 years ago
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