3 years ago

Which of the statements describes a chemical property?

1 answer:

4 0

I’m thinking that it is probably Antacid tablet’s neutralize stomach acid. Since it would be expected for a purple thing to be purple in all states of matter that’s not weird at all, the helium one just seems like a throw in like why is that a chemical property, water freezing at it’s freezing point is normal, the only one left is the tablet one.

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When a piece of metal is irradiated with UV radiation (λ = 162 nm), electrons are ejected with a kinetic energy of 3.54×10-19 J.

dsp73

We have that the work function of the metal

$\phi=1.227*10^{-18}J$

From the Question we are told that

UV radiation (λ = 162 nm)

Kinetic energy $K.E =3.54*10-19 J.$

Generally the equation for Kinetic energy is mathematically given as

$KE =\frac{hc}{\pi-\phi} \\\\\phi =\frac{ 6.626*10^{-34} * 3*10^8}{162*10^{-9} -3.54*10^{-19}}$

$\phi=1.227*10^{-18}J$

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8 0

3 years ago

Pls help me, ill mark brainliest and give 5 stars

Maslowich

Answer:

Decomposition!

5 0

3 years ago

Read 2 more answers

Help plz ASAP!!!!!!!!!!!!!!!!!!!!!!!!!!

ddd [48]

Honestly I don’t even know

7 0

3 years ago

While estimating the Caloric content of the chemical constituents present in the food item, the carbohydrate amount is discounte

Mashcka [7]

Answer:

Fiber is "Not Digestible"

Explanation:

Carbohydrates that contain fiber cannot be completely digested. the indigestible components of fiber are measured in the calorimeter, but they are not accessible for energy in the human body.

5 0

3 years ago

What temperature in degrees c is the freezing point of water?

guajiro [1.7K]

The freezing point of water is 0° C. The Celsius (centigrade) scale is based off of water, with the freezing point at 0° and the boiling point at 100°. (Google will probably tell you this in 10 seconds, then you wouldn't have had to wait 7 hours!)

5 0

3 years ago