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3 years ago

What are the three sub-types of convergent plate boundaries?

1 answer:

8 0

Oceanic-oceanic convergent plate boundary. 2 Continental convergent plate boundary. 3 Oceanic-continental convergent plate boundary.

I hope this helps : )

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Cuando un gas que se encuentra a 20°c se calienta hasta los 40°c sin que varie su presion, su volumen se duplica

kati45 [8]

Answer:

Not doubled

Explanation:

The equation below represent the ideal gases relationship

PV ÷ T = constant

Here

P denotes pressure,

V denotes volume,

T denotes temperature in degrees Kelvin

Now

20 ° c = 273 + 20

= 293 K

And,

40 ° c = 313 K

So,

V = Vo. 313 K ÷ 293 K = 1.07 Vo

So, the volume is NOT doubled.

In the case when the temperature would be determined in degrees celsius at 0 degrees so the volume would be zero

4 0

3 years ago

How much water would be formed if 4.8g of H reacted with 38.4g of O?

inna [77]

32 gs, cuz 28 is an ounce and 3.5 is an 8th but if ur plugg blesses u he’s gon give u 32

8 0

3 years ago

An individual suffering from a high cholesterol level in her blood. if the total blood volume of the individual is 5.2 l, how ma

Usimov [2.4K]

If the concentration of cholesterol is 238mg/100ml:

238 mg ==> 100ml

2380 mg (or 2.38g) ==> 1000ml (1L)

So the concentration will be 2.38 g/L of cholesterol.

if the volume is 5.2 L, the total grams of cholesterol would be :

m = C . V = 2.38g/L * 5.2 L = 12.376 grams of cholesterol.

4 0

4 years ago

Which way would CCI2F2 orient in an electric field?

ArbitrLikvidat [17]

Answer:

See explanation

Explanation:

In looking at molecules to determine whether they are polar or not we have to look at two things basically;

i) presence of polar bonds

ii) geometry of the molecule

Now, we know that CCI2F2 is a tetrahedral molecule, but the molecule is not symmetrical. It has four polar bonds that are not all the same hence the molecule is polar.

In an electric field, polar molecules orient themselves in such a way that the positive ends of the molecule are being attracted to the negative plate while the negative ends of the molecules are attracted to the positive plate.

So the positive ends of CCI2F2 are oriented towards the negative plate of the field while the negative ends of CCI2F2 are oriented towards the positive ends of the field.

3 0

3 years ago

Which set of chemical name and chemical formula for the same compound is correct?A. Ammonium sulfite, (NH4)2SB. Iron(III) Phosph

gregori [183]

Answer : The correct option is, Iron(III) phosphate, $FePO_4$ .

Explanation :

Ionic compound : It is defined as the compound which is formed when electron gets transferred from one atom to another atom.

All the polyatomic ions always form an ionic compound.

Polyatomic ions : It is a charged species that composed of two or more atoms and these charged species are bonded by the covalent bond.

(1) The chemical formula for Ammonium sulfite.

The given compound ammonium sulfate is an ionic compound. It is made up of two different ions which are ammonium ion $(NH_4^+)$ and sulfite ion $(SO_3^{2-})$ by the criss-cross method. Thus, the correct chemical formula for ammonium sulfite is $(NH_4)_2SO_3$ .

(2) The chemical formula for Iron(III) phosphate.

The given compound iron(III) phosphate is an ionic compound. It is made up of two different ions which are iron ion $(Fe^{3+})$ and phosphate ion $(PO_4^{3-})$ by the criss-cross method. Thus, the correct chemical formula for iron(III) phosphate is $FePO_4$ .

(3) The chemical formula for Lithium carbonate.

The given compound lithium carbonate is an ionic compound. It is made up of two different ions which are lithium ion $(Li^+)$ and carbonate ion $(CO_3^{2-})$ by the criss-cross method. Thus, the correct chemical formula for lithium carbonate is $Li_2CO_3$ .

(4) The chemical formula for Magnesium dichromate.

The given compound magnesium dichromate is an ionic compound. It is made up of two different ions which are magnesium ion $(Mg^{2+})$ and dichromate ion $(Cr_2O_7^{2-})$ by the criss-cross method. Thus, the correct chemical formula for magnesium dichromate is $MgCr_2O_7$ .

From this we conclude that, the correct set of chemical name and chemical formula for the same compound is Iron(III) phosphate.

Hence, the correct option is, Iron(III) phosphate, $FePO_4$ .

6 0

3 years ago