What's the differentiating characteristic between an element and a compound

Physics

2 answers:

IRISSAK [1]4 years ago

8 0

Answer:

an element is a pure substance whereas a compound is a mixture of two or more elements.

umka21 [38]4 years ago

6 0

The basic difference between a compound and an element is its constituents, in which the element is a pure individual chemical substance which has similar atom and compound is a mixture of two or more elements bounded chemically.

Explanation:

Elements:

Elements are pure homogenous substance.
Elements have similar atoms grouped together.
Element is being represented with the chemical scientific symbol.

Compounds:

Compound are heterogeneous mixture of elements.
Compound has different atoms which is combined in fixed ratio.
Compound is given by chemical formula.

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3 years ago

Read 2 more answers

Balok diam diatas bidang miring pada sudut kemiringan 40° balok mulai bergerak,tentukan koefisien gesek statis antara balok dan

Pachacha [2.7K]

Answer:

0.84

Explanation:

m = Massa balok

g = Percepatan gravitasi

$\theta$ = Sudut kemiringan

$\mu$ = Koefisien gesekan statik antara balok dan bidang miring

Gaya balok karena beratnya diberikan oleh

$F=mg\sin\theta$

Gaya gesekan diberikan oleh

$f=\mu mg\cos\theta$

Kondisi dimana balok mulai bergerak adalah ketika gaya balok akibat beratnya sama dengan gaya gesek pada balok.

$mg\sin\theta=\mu mg\cos\theta\\\Rightarrow \mu=\dfrac{mg\sin\theta}{mg\cos\theta}\\\Rightarrow \mu=\tan\theta\\\Rightarrow \mu=\tan40^{\circ}\\\Rightarrow \mu=0.84$