How many chlorine ions are required to bond with one aluminum ion

Determine the mass of a ball with a wavelength of 3.45 × 10-34 m and a velocity of 6.55 m/s

Yuki888 [10]

<span>293 grams The formula for the wavelength of a massive particle is Î» = h/p where Î» = wavelength h = Plank constant (6.626070040Ă—10^â’34 J*s) p = momentum (mass times velocity) So let's solve for momentum and from there get the mass Î» = h/p Î»p = h p = h/Î» Substitute known values and solve p = 6.626070040Ă—10^â’34 J*s/3.45Ă—10^-34 m p = 1.92 J*s/m Since momentum is the product of mass and velocity, we have p = M * V p/V = M So substitute again, and solve. p/V = M 1.92 J*s/m / 6.55 m/s = M 1.92 kg*m/s / 6.55 m/s = M 1.92 kg*m/s / 6.55 m/s = M 0.293 kg = M So the mass is 293 grams</span>

6 0

3 years ago

Read 2 more answers

Write the balanced chemical equation where liquid decane burns in oxygen gas to form carbon dioxide gas and water vapor. Use the

Allushta [10]

Answer:

$2C_{10} H_{22(l)} + 31O2(g)--> 20CO_{2(g)} + 22H_{2}O_{(g)}$

Explanation:

$2C_{10} H_{22(g)} + 31O2(g)--> 20CO_{2(g)} + 22H_{2}O_{(g)}$

From the question, one can work out which states of matter to assign to which species. The trick with organic equations of this nature is to try to balance everything but oxygen first. Make sure you balance oxygen last because it is the easiest to balance.

3 0

3 years ago

Study of gene structure and function

gregori [183]

I believe the answer would be b

7 0

3 years ago

Determine the number of unpaired electrons in Ca?

serg [7]

When an electron occupies an orbital of an atom singly, rather than an electron pair such electron is said to be an unpaired electron. Each atomic orbital of an atom specified by quantum numbers can contain a maximum of two electrons having opposite spins, electron pair.

The numbers of unpaired electrons are determined by the electronic configuration of an atom. The electronic configuration of calcium, $Ca$ is:

$1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}4s^{2}$ or $[Ar]4s^{2}$

Since, from the electronic configuration it is clear that the number of electrons in valence orbital that is $4s$ is 2 that means the electrons are paired up in the valence orbital so, there are no unpaired electrons present in $Ca$ .

Hence, the number of unpaired electrons in $Ca$ is 0.

3 0

3 years ago

2. How can you determine if an acid is binary when given the<br> formula?

AysviL [449]

Explanation:

Binary acids are molecular compounds that consists of two components.

The components are Hydrogen and a non metal. Examples of binary acids include; HCl, HF etc.

The way to identify binary acids is to spot the hydrogen and the non metal.

7 0

2 years ago