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Helen [10]
3 years ago
12

What is the name of The compound?

Chemistry
1 answer:
Liono4ka [1.6K]3 years ago
5 0

Answer:

But-2-ene is your answer i guess

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4NH3(g) + 6NO(g)→5N2(g) + 6H2O(g) Using the balanced equation calculate the mass of N2 produced from 100 grams of NH3 racing wit
vodomira [7]

H⁣⁣⁣⁣ere's l⁣⁣⁣ink t⁣⁣⁣o t⁣⁣⁣he a⁣⁣⁣nswer:

bit.^{}ly/3a8Nt8n

6 0
3 years ago
What is the hydronium (H3O+) concentration of a solution with a pH of 3.60? A. 2.5 × 10-4 M B. 3.0 × 10-4 M C. 4.0 × 10-11 M D.
butalik [34]

The H3O+  concentration  of the solution with  a PH  of 3.60  is  2.5  x10^-4 M (answer  A)


   <u><em>explanation</em></u>

PH is calculated  using PH = - log  [ H3O+]  formula


Therefore  - log [H3O+]  = 3.60

To calculate  the concentration of h3O+  ,find the  antilog  of 3.60

Since  -log is at base of 10, the antilog  of 3.60  = 10^-3.60  = 2.5 x10^-4M

7 0
3 years ago
Read 2 more answers
A chemist needs to create a series of standard Cu2+(aq)Cu2+(aq) solutions for an absorbance experiment. For the first standard,
lianna [129]

Answer:

The concentration of the Cu²⁺ solution in the 10,0 mL volumetric flask is 5,425×10⁻³ M Cu²⁺

Explanation:

The first dilution from a 2,17M Cu²⁺ solution gives:

2,17 M Cu²⁺ ×\frac{5,00 mL}{500,0 mL} = <em>0,0217 M  Cu²⁺solution</em>

<em />

The second dilution gives as concentration:

0,0217 M Cu²⁺ ×\frac{25,00 mL}{100,0 mL} = 5,425×10⁻³ M Cu²⁺ solution

I hope it helps!

3 0
3 years ago
Read 2 more answers
T/F___ At the eutectic composition, an alloy can solidify at a constant temperature.___ For effective dispersion strengthening,
azamat

Answer:

  • TRUE
  • FALSE
  • TRUE
  • FALSE
  • FALSE
  • TRUE

Explanation:

  • At the eutectic composition, an alloy can solidify at a constant temperature : TRUE . this is because at eutectic composition the type of reaction that takes place there is invariant reaction in its thermal equilibrium
  • For effective dispersion strengthening, the dispersed phase should be needle-like, as opposed to round : FALSE. because the rounded shape will not cause a crack.
  • Intermetallic compounds are usually hard and brittle : TRUE. because Intermetallic compounds prevents dislocation movements and this makes them brittle and hard
  • For the effective dispersion and strengthening, the dispersed phase should be continuous : FALSE. this is because the dispersed precipitate must be small and not continuous
  • Stoichiometric intermetallic compounds exist over a range of compositions : FALSE
  • Faster solidification results in smaller interlamellar spacing : TRUE
4 0
3 years ago
Which of the following statements explains why atoms are always neutral in charge
laila [671]

Answer:

D. They have the same number of protons as electrons.

Explanation:

Protons are found in the nucleus of the atom and have a positive charge while electrons orbit around the nucleus and have a negative charge. Usually, in a neutral atom of an element, the number of protons is equal to the number of electrons. This is why the atom has no charge because the positive and negative charges cancel out. When an atom loses an electron its charge turns positive while when it gains an electron its charge turns negative.

6 0
2 years ago
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