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alukav5142 [94]
3 years ago
12

Solve the following: Which one is more metallic

Chemistry
1 answer:
Degger [83]3 years ago
7 0

Answer:

aluminum

Explanation:

You might be interested in
W(OH)2 + 2 HCl → WCl2 + 2 H2O
Afina-wow [57]

The amount of W(OH)2 needed would be 448.126 g

<h3>Stoichiometric calculation</h3>

From the equation of the reaction:

W(OH)2 + 2 HCl → WCl2 + 2 H2O

The mole ratio of W(OH)2 to HCl is 1:2

Mole of 150g HCl = 150/36.461

                                 = 4.11 moles

Equivalent mole of W(OH)2 = 4.11/2

                                           = 2.06 moles

Mass of 2.06 moles W(OH)2 = 2.06 x 217.855

                                                = 448.188g

More on stoichiometric calculations can be found here: brainly.com/question/8062886

7 0
2 years ago
(03.05 LC)
Ainat [17]

Answer:

The correct answer is 4

Explanation:

Boron trifluoride (BF₃) has a molecular geometry (as shown in the image in the question) referred to as trigonal planar; this is because each of the the fluorine atoms/molecules (bonded to the central boron atom) is placed in such a way that they form the three "end points"/"domains" of an equilateral triangle. Hence, the correct option is the last option.

7 0
3 years ago
H2SO4 + 2 KOH --&gt; K2SO4 + 2 H2O
alisha [4.7K]
Double replacement because H and K are both switching
8 0
3 years ago
The radius of a vanadium atom is 130 pm. How many vanadium atoms would have to be laid side by side to span a distance of 1.30 m
monitta

Answer:

5 000 000 (5 million atoms)

Explanation:

Let us assume that a vanadium atom has a spherical shape.

diameter of a sphere = 2 x radius of the sphere

Thus,

Radius of a vanadium atom = 130 pm

                                              = 130 x 10^{-12} m

The diameter of a vanadium atom = 2 x radius

                                                         = 2 x 130 x 10^{-12}

                                               = 260 x 10^{-12} m

Given a distance of 1.30 mm = 1.30 x 10^{-3} m,

The number of vanadium atoms required to span the distance = \frac{1.3*10^{-3} }{260*10^{-12} }

                                                  = 5000000

Therefore, the number of vanadium atom that would span a distance of 1.30 mm is 5 million.

3 0
3 years ago
1. As you increase speed is there an increase or decrease in Kinetic Energy?
drek231 [11]

\qquad \qquad\huge \underline{\boxed{\sf Answer}}

1. As you increase speed is there an increase or decrease in Kinetic Energy?

\qquad \sf  \dashrightarrow \: increase

2. As you increase mass is there an increase or decrease in Kinetic Energy?

<h3 />

\qquad \sf  \dashrightarrow \: increase

3. As you decrease speed is there an increase or decrease in Kinetic Energy?

\qquad \sf  \dashrightarrow \: decrease

4. As you decrease mass is there an increase or decrease in Kinetic Energy?

\qquad \sf  \dashrightarrow \: decrease

3 0
3 years ago
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