1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
pshichka [43]
3 years ago
12

A main group metal was studied and found to exhibit the following properties: It does not occur free in nature. It loses valence

electrons readily. It reacts readily with the halogens, oxygen, and nitrogen. It is produced by high-temperature reduction of its oxide. It reacts vigorously with water.
Chemistry
1 answer:
Nonamiya [84]3 years ago
4 0

Answer:

This group metal is Barium (Ba)

Explanation:

Metals generally loses valence electrons easily. Barium is a chemical-like, but more volatile, metallic component of calcium. It is a smooth, silvery metal, and due to the formation of barium oxide (BaO), this quickly turns a black color when sliced. It is also extremely liquid and alcohol reactive.

You might be interested in
A certain FM radio wave has a frequency of 1.31 x 108 Hz. Given that radio waves travel at
Westkost [7]

Answer:

2.28 m

Explanation:

Use the relationship  

λ=vf

 

to solve for wavelength λ. Substituting the known quantities yields:

λ=vf

 

λ=2.99 x 108 m/s1.31 x 108 Hz

 

λ=2.28 m

 

4 0
3 years ago
How many grams of O2 are needed to react with 18.2 g of NH3?
erastova [34]

Answer:

44 g oxygen are needed.

Explanation:

Given data:

Mass of oxygen needed = ?

Mass of ammonia = 18.2 g

Solution:

Chemical equation:

4NH₃ + 5O₂   →  4NO + 6H₂O

Now we will calculate the number of moles of ammonia:

Number of moles = mass/molar mass

Number of moles = 18.2 g/ 17 g/mol

Number of moles = 1.1 mol

Now we will compare the moles of ammonia with oxygen from balance chemical equation.

                        NH₃              :                O₂

                          4                 :                 5

                          1.1                :              5/4×1.1 = 1.375 mol

Mass of oxygen needed:

Mass = number of moles × molar mass

Mass = 1.375 mol × 32 g/mol

Mass = 44 g

4 0
3 years ago
I need help with this, please :00000
mojhsa [17]

theoretical yield of the reaction is 121.38 g of NH₃ (ammonia)

limiting reactant is N₂ (nitrogen)

excess reactant is H₂ (hydrogen)

Explanation:

We have the following chemical reaction:

N₂ + 3 H₂ → 2 NH₃

Now we calculate the number of moles of each reactant:

number of moles = mass / molar weight

number of moles of N₂ = 100 / 28 = 3.57 moles

number of moles of H₂ = 100 / 2 = 50 moles

From the chemical reaction we see that 3 moles of H₂ are reacting with 1 moles of N₂, so 50 moles of H₂ are reacting with 16.66 moles of N₂ but we only have 3.57 moles of  N₂ available, so the limiting reactant will be N₂ and the excess reactant will be H₂.

Knowing the chemical reaction and the limiting reactant we devise the following reasoning:

if          1 mole of N₂ produce 2 moles of NH₃

then    3.57 moles of N₂ produce X moles of NH₃

X = (3.57 × 2) / 1 = 7.14 moles of NH₃

mass = number of moles × molar weight

mass of NH₃ = 7.14 × 17 = 121.38 g

theoretical yield of the reaction is 121.38 g of NH₃

Learn more about:

limiting reactant

brainly.com/question/13979150

#learnwithBrainly

4 0
3 years ago
During science lab, some students added small pieces of magnesium ribbon to 10 mL of hydrochloric acid. They noticed that bubble
stiv31 [10]
Your answer would be a change in odor! Hope this helps! ;D
4 0
3 years ago
Read 2 more answers
Explain why pentane has a higher boiling point than butane
creativ13 [48]

Answer: Larger molecules have stronger London forces.

Explanation:

Pentane therefore has a stronger force than butane.

8 0
2 years ago
Other questions:
  • draw a representation that shows the interactions between the solute and solvent in an aqueous solution of potassium bromide
    8·1 answer
  • Calculate the silver ion concentration in a saturated solution of silver(I) sulfate (K sp = 1.4 × 10 –5). 1.5 × 10–2 M 1.4 × 10–
    7·1 answer
  • What is the mass of heavy water, D2O(l), produced when 7.60 g of O2(g) reacts with excess D2(g)?
    7·1 answer
  • what is a measure of the amount of matter in an object while what is a measure of the force of gravity acting on an object
    5·1 answer
  • How does technology help scientists know more about the atom
    9·1 answer
  • The Lewis dot notation for two atoms is shown.
    10·2 answers
  • What of the following could be classified as matter
    13·1 answer
  • write the balanced reaction for the complete combustion of C11(subscript) H24 by diatomic O2. show all work
    7·1 answer
  • If 50 mL of pure acetone is mixed with 450 mL of water, what is the percent by volume of acetone?
    13·1 answer
  • Which of the gases below is found at high levels near the surface of the ocean due to plant photosynthesis?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!