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3 years ago

The phenomenon that causes air masses and water to bend or curve is the ______________.

Chemistry

1 answer:

Sliva [168]3 years ago

4 0

Answer:

The Coriolis effect

Explanation:

The Coriolis effect is the effect that makes tornados, water spouts, and are often seen in storms. They make water curve and rotate as well as the wind And current.

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s the purpose of the CaCl2 drying tube? What chemical reaction is it preventing (please supply a mechanism).

monitta

Answer:

See explanation

Explanation:

A drying tube prevents moisture from contaminating the reactants. The drying tube contains CaCl2 a hygroscopic material whose function is to absorb the moisture so that it does not react with the Grignard reagent. Without the desiccating action of CaCl2, moisture will enter the reaction chamber,contaminating the reactants.

If water reacts with the Grignard reagent, an alkane is formed. The mechanism of this reaction is shown in the image attached. R here represents the alkyl moiety of the Grignard reagent.

6 0

3 years ago

How many sulfur atoms are there in 5.52 mol of sulfur

PSYCHO15rus [73]

Moles * Avogadro constant = 5.52 * 6.022 x 10^23

6 0

3 years ago

Read 2 more answers

Magnalium alloys contain 70% Al and 30.0% Mg by mass. How many grams of H2(g) are produced in the reaction of a 0.710g sample of

Elis [28]

Answer:

H2 produced = 0.4235g

Explanation:

Equations for reaction with Hcl

Aluminium

2Al + 6 Hcl ------------ 2Alcl3 + 3H2

Magnesium

Mg + 2Hcl -------- Mgcl2 + H2

Aluminium = 70% of 0.710g of sample

sample contains (70 x 0.710)/100 = 0.497g of aluminium

Magnesium = 30% of 0.710g of sample

sample contains(30 x 0.710)/100 = 0 .213g of magnesium

Moles = mass/ molecular mass

Moles of aluminium in sample = 0.497/27 = 0.0184

2 moles of aluminium gives 3 moles of H2

No of moles of H2 from reaction with aluminium = (2 x0.0184)/3

= 0.0123 moles

1 mole of H2 = 2g therefore mass of H2 produced = 0.0123 x 2 = 0.0246g

Moles of magnesium in sample = 0.213/24 = 0.008875

1 mole of mg gives 1 mole of H2

No of moles of H2 from reaction with magnesium = 0.008875 x 1

= 0.008875

1 mole of H2 = 2g therefore mass of H2 produced = 0.008875 x 2

= 0.01775g

Ttal mass of H2 = 0.0246 +0.01775 = 0,04235g

8 0

3 years ago

Write the NET IONIC EQUATION between iron and copper (II) sulfate.

ratelena [41]

Answer: The net ionic equation is written below.

Explanation:

Net ionic equation of any reaction does not include any spectator ions.

Spectator ions are defined as the ions which does not get involved in a chemical equation. They are found on both the sides of the chemical reaction when it is present in ionic form.

The chemical equation for the reaction of iron and copper (II) sulfate is given as:

$Fe(s)+CuSO_4(aq.)\rightarrow FeSO_4(aq.)+Cu(s)$

Ionic form of the above equation follows:

$Fe(s)+Cu^{2+}(aq.)+SO_4^{2-}(aq.)\rightarrow Fe^{2+}(aq.)+SO_4^{2-}(aq.)+Cu(s)$

As, sulfate ions are present on both the sides of the reaction. Thus, it will not be present in the net ionic equation and are spectator ions.

The net ionic equation for the above reaction follows:

$Fe(s)+Cu^{2+}(aq.)\rightarrow Fe^{2+}(aq.)+Cu(s)$

Hence, the net ionic equation is written above.

7 0

3 years ago

If element X has 82 protons, how many electrons does it have?

wariber [46]

An element has no charge so its protons must be balanced with its electrons
so if X has 82 protons then it must have 82 electrons so that the atoms sum of charges adds up to 0

hope that helps

5 0

3 years ago