Answer:
It will sink.
Explanation:
Density of water=1gm/cc (In CGS)
Volume of cube=l^3 =3^3= 27cc
Mass of cube =54gm
Density of cube=M/V =54/27 =2gm/cc
Here, density of cube is greater than that of water. So, the cube sinks.
Answer:
The answer to your question is below
Explanation:
Element Atomic number Atomic mass # proton # neutron # electron
Copper 29 64 29 35 29
Fluorine 9 19 9 10 9
Lead 82 207.2 82 125 82
Sodium 11 23 11 12 11
Nitrogen 7 14 7 7 7
47.- Atomic number, Atomic mass, number of protons, neutrons and electrons
48.- Element, atomic mass, number of protons, neutrons and electrons
49.- Element, atomic number, atomic mass, neutrons and electrons
50.- element, atomic number, atomic mass, protons and neutrons
51.- element, atomic number, protons, neutrons and electrons
Answer:
TIMELINESS, RELEVANCE, AUTHORITY, ACCURACY and PURPOSE.
Explanation:
hope it helps!
Answer:
ethylene glycol (molar mass = 62.07 g/mol).
Explanation:
- We can solve this problem using the relation:
<em>ΔTf = Kf.m,</em>
ΔTf is the depression in the freezing point of tert-Butyl alcohol (ΔTf = freezing point of pure solvent - freezing point in presence of unknown liquid = 25.5°C - 15.3°C = 10.2°C).
Kf is the molal freezing point constant of tert-Butyl alcohol (Kf = 9.1 °C/m).
m is the molality of unknown liquid.
∵ ΔTf = Kf.m
<em>∴ m = ΔTf/Kf </em>= (10.2°C)/(9.1 °C/m) = <em>1.121 m.</em>
- We need to calculate the molar mass of the unknown liquid:
Molality (m) is the no. of moles of solute in 1.0 kg of solvent.
∴ m = (mass/molar mass) of unknown liquid/(mass of tert-Butyl alcohol (kg))
m = 1.121 m, mass of unknown liquid = 0.807 g, mass of tert-Butyl alcohol = 11.6 g = 0.0116 kg.
<em>∴ molar mass of unknown liquid = (mass of unknown liquid)/(m)(mass of tert-Butyl alcohol (kg)) </em>= (0.807 g)/(1.121 m)(0.0116 kg) = <em>62.06 g/mol.</em>
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- So, the unknown liquid is:
<em>ethylene glycol (molar mass = 62.07 g/mol).</em>
The three percenters, also styled 3 percenters, 3%ers and III%ers are American and Canadian far-right anti-government.