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rewona [7]
3 years ago
6

2 1.2.4 Quiz: Units and Measurement

Chemistry
1 answer:
lesya [120]3 years ago
7 0
For physics the answer is 47500
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HELPPPP PLEASEEEEEE !!!
krek1111 [17]
_{93}^{238}Ne---\ \textgreater \ _{-1}^{0}e + _{94}^{238}Pu

When electron leaves a nucleus positive charge will increase
93-(-1)=94

Mass 238 is not changed because mass of electron counted as 0

238 =0 + 238.
3 0
3 years ago
What volume in litres will 38gr of F2 occupy at 0.999 bar and 273 K
Oliga [24]

Answer:

V=22.68L

Explanation:

Hello,

In this case, we use the ideal gas equation to compute the volume as shown below:

PV=nRT\\\\V=\frac{nRT}{P}

Nonetheless we are given mass, for that reason we must compute the moles of gaseous fluorine (molar mass: 38 g/mol) as shown below:

n=38 g *\frac{x}{y}  \frac{1mol}{38 g} =1mol

Thus, we compute the volume with the proper ideal gas constant, R:

V=\frac{1mol*0.083\frac{bar*L}{mol*K}*273K}{0.999bar} \\\\V=22.68L

Best regards.

6 0
3 years ago
What can an experiment to use to distinguish between a strong acid and a strong base
aivan3 [116]

The pH meter can only be used to differentiate between weak and strong acids providing that the concentrations are known. However, it is convenient to determine the concentration of an acid (or base) by titration.

4 0
4 years ago
Which of these factors is involved in earthquake formation?
8090 [49]
I’m pretty sure it’s B) rocks breaking but i’m not 100% sure
6 0
3 years ago
A certain compound is made up of one carbon (c) atom, two bromine (br) atoms, and one oxygen (o) atom. what is the chemical form
padilas [110]
Answer:
           Chemical Formula  =  COBr₂

           Structural Formula  =  Attached Below

           IUPAC Name  =  Carbonic Dibromide

           Common Name  =  Bromophosgene

As we know Carbon has the tendency to form four covalent bonds, Oxygen can form two covalent bonds and Bromine can form a single bond. Keeping this in mind we can say that in given compound carbon is forming two single bonds with two bromine atoms and a double bond with oxygen atom. Therefore, the valencies of all elements in the given compound are satisfied and completed.

7 0
4 years ago
Read 2 more answers
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