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3 years ago

An -ate or -ite at the end of a compound name usually indicates that the compound contains *

Chemistry

1 answer:

nikdorinn [45]3 years ago

3 0

Explanation:

<h2>1.-Ate-contains 3 elements in which one is oxygen</h2><h2>2.-ite-contains 3 elements in which one is Oxygen but the oxygen is less than that of -Ate</h2><h2>3.-ide has 2 elements</h2>

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Convection _____.

givi [52]

occurs in fluids

Explanation:

Convection is a mode of heat transfer that occurs in fluids.

There are three types of heat transfer:

conduction convection and radiation

Conduction is a mode of heat transfer that involves an actual contact between the molecules of the medium. It occurs mostly in solids
Radiation uses electromagnetic waves to transfer heat between two bodies or places. It does not require a material medium. The heat of the sun reaches us by radiation.
Convection is a mode of heat transfer in fluids. It involves the density differences between hot and cold liquids and gases.
Water boils by convection currents.

learn more:

Sun's energy brainly.com/question/1140127

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3 years ago

Read 2 more answers

Phosphorus pentachloride reacts with water to form hydrochloric acid and phosphoric acid. How many total moles of acid are forme

klio [65]

Answer:

0,13 moles of acid are produced

Explanation:

The reaction of the problem is:

PCl₅ + 4H₂O → 5HCl + H₃PO₄

Based on the reaction, 1 mole of PCl₅ produces 6 moles of acid (5 moles of HCl + 1 mole of H₃PO₄).

The molecular mass of PCl₅ is:

1P = 30,97g/mol + 5Cl = 5×35,45g/mol = <em>208,24 g/mol</em>

That means 4,5g of PCl₅ are:

4,5g PCl₅×(1mol / 208,24g) = 0,0216 moles of PCl₅. As 1 mole of PCl₅ produces 6 moles of acid, 0,0216 moles of PCl₅ produce:

0,0216 moles PCl₅ × (6 moles acid / mole of PCl₅) =

<em>0,13 moles of acid are produced</em>

I hope it helps!

3 0

3 years ago

Seawater is typically 3.5% salt and has a density of 1.03 g/mL. How many grams of salt would be needed to prepare enough seawate

Bas_tet [7]

Answer:

Amount of salt needed is around 2.3*10³ g

Explanation:

The salt content in sea water = 3.5 %

This implies that there is 3.5 g salt in 100 g sea water

Density of seawater = 1.03 g/ml

Volume of seawater = volume of tank = 62.5 L = 62500 ml

Therefore, the amount of seawater required is:

$=Density*Volume = 1.03g/ml*62500ml = 6.44*10^{4} g$

The amount of salt needed for the calculated amount of seawater is:

$=\frac{6.44*10^{4}g\ water*3.5g\ salt }{100g\ water} =2254 g =2.3*10^{3} g$

8 0

3 years ago

Which of these statements about the Plum-Pudding Model is incorrect?

Licemer1 [7]

Answer:

It is a model of the atom that has electrons surrounding the nucleus

Step by step explanation:

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3 years ago

Why is the enthalpy of formation of oxygen zero?

madreJ [45]

All elements in their standard states (oxygen<span> gas, solid carbon in the form of graphite, etc.) have a standard </span>enthalpy of formation<span> of </span>zero<span>, as there is no change involved in their </span>formation<span>.</span>

4 0

3 years ago