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
umka21 [38]
2 years ago
15

Pls help What does the image above illustrate?

Chemistry
1 answer:
Furkat [3]2 years ago
5 0
Not 100% if this answers however:

The radium nucleus turns into radon-222 nucleus, itself radioactive, containing two protons and two neutrons less. The disintegration releases 4.6 million electronvolts of energy. The alpha particle carries the 222/226ths of this available energy and the radon 4/226ths.
You might be interested in
Is pcl3 covalent or ionic
WITCHER [35]
Covalent Bond.

To be specific, it is polar covalent bond. :)
5 0
3 years ago
A solution is made containing 4.6 g of sodium chloride per 250g of water.
lozanna [386]

Answer:

\large \boxed{1.81 \, \%}

Explanation:

\text{Mass percent} = \dfrac{\text{mass of solute} }{\text{mass of solution}} \times 100 \, \%

Data:

Mass of NaCl =      4.6 g

Mass of water = 250    g

Calculations:

Mass of solution = mass of NaCl + mass of water = 4.6 g + 250 g = 254.6 g.

\text{\% m/m} = \dfrac{\text{4.6 g} }{\text{254.6 g}} \times 100 \, \% = \mathbf{1.81 \, \%}\\\\\text{The percent by mass of NaCl is $\large \boxed{\mathbf{1.81 \, \%}}$}

3 0
3 years ago
A. At STP, what is the volume of 708 mol of nitrogen gas? 708 mol = 708 mol X L B. A sample of hydrogen gas occupies 14.1 L at S
elena-14-01-66 [18.8K]

Answer:

A. 15859.2 L or 15900 L

B. 0.629 mol

Explanation:

At STP, one mole is equal to approximately 22.4 L

L or mL is volume, so you are attempting to solve for L or mL.

A.

708 mol x (22.4 L/1 mol) = 15859.2 L (w/ significant figures included - 15900 L)

B.

(14.1 L) x (1 mole/ 22.4 L) = 0.629 mol.

5 0
2 years ago
Hydrogen cab be obtained economically as a byproduct in the electrolysis of____________
yarga [219]
Water, because electrolysis is using electricity to break the bond of water to release 2 Hydrogens and the 1 Oxygen.
4 0
3 years ago
A dogs ability to sit and roll over on command is an instinct. True or false
vovangra [49]

Answer:

100% false

Explanation:

instinct is something they are born knowing how to do and sitting and rolling over is something you have to train them to do:)

8 0
3 years ago
Other questions:
  • A thermometer is placed in water in order to measure the waters temperature.what would cause the liquid in the thermometer to ri
    8·1 answer
  • What is the mass in grams of a pure iron cube that has a volume of 4.60 cm3
    13·1 answer
  • Please answer asap.......................
    15·1 answer
  • #1: Which of the following is likely to be a polar compound?
    8·1 answer
  • Cabbage Juice pH Chart
    14·2 answers
  • 1. When iron is oxidized, what is reduced?
    13·2 answers
  • Is this statement true or false? A chemical reaction is balanced when the number of atoms of each element is the same for both t
    12·1 answer
  • The force exerted by air on a moving object is called
    14·2 answers
  • What's 2.5 meters to millimeters ????
    11·2 answers
  • Can someone help??. This is super hard
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!