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Sholpan [36]
3 years ago
15

How does the law of conservation of mass apply to this reaction

Chemistry
1 answer:
o-na [289]3 years ago
8 0
Atom <span>Appears in these related concepts: Early Ideas about Atoms, Stable Isotopes, and Atomic Theory of Matter</span>balanced equation <span>Appears in these related concepts: Effect of a Common Ion on Solubility, Reaction Stoichiometry, and Mole-to-Mole Conversions</span>bond <span>Appears in these related concepts: Factors Affecting the Price of a Bond, Current Maturities of Long-Term Debt, and Preferred Stock</span>chemical reaction <span>Appears in these related concepts: Periodic Table Position and Electron Configuration, Free Energy Changes for Nonstandard States, and Physical and Chemical Changes to Matter</span>chemistry <span>Appears in these related concepts: Description of the Hydrogen Atom, Mass-to-Mole Conversions, and General Trends in Chemical Properties</span>element <span>Appears in these related concepts: Development of the Periodic Table, Elements and Compounds, and The Periodic Table</span>energy <span>Appears in these related concepts: Surface Tension, Energy Transportation, and Introduction to Work and Energy</span>gas <span>Appears in these related concepts: Oxidation Numbers of Metals in Coordination Compounds, Irreversible Addition Reactions, and Microstates and Entropy</span>isolated system <span>Appears in these related concepts: Conservation of Mechanical Energy, Internal Energy, and Comparison of Enthalpy to Internal Energy</span>liquid <span>Appears in these related concepts: Overview of Atomic Structure, Types of Synthetic Organic Polymers, and Three States of Matter</span>matter <span>Appears in these related concepts: Physical and Chemical Properties of Matter, Introduction: Physics and Matter, and The Study of Chemistry</span>mole <span>Appears in these related concepts: Avogadro's Number and the Mole, Molar Mass of Compounds, and Concept of Osmolality and Milliequivalent</span>solid <span>Appears in these related concepts: Extractive Metallurgy, Metagenomics, and Some Polycyclic Heterocycles</span>system <span>Appears in these related concepts: Definition of Management, <span>Local, regional, national, international, and global marketers </span>, and Additional cost and energy saving suggestions for pumps</span>


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Rn-222 has a half-life of 3.82 days. If 25.0 g of Radon-22 was originally present, approximately how many grams would be left af
horsena [70]

Answer:

Approximately 0.39 g or 0.4 g if you're rounding up

Explanation:

15/3.82 = 3.92

Let's round that up to 4

That means 15 days is around 4 half lives

4 half lives means 1/16 of the original mass will be left

25/16 = 0.390625

6 0
3 years ago
If the particles of matter that make up a substance are relatively far apart and can move freely, the substance is in what state
Novay_Z [31]

Answer:

Gaseous

Explanation:

Gasses can move freely and do not form the shape of their containers

Liquids are more free than solids, but they conform to the shape of their container

Solids are not free

5 0
3 years ago
Calculate density of aluminum if 27.6cm^3 has a mass of 74.6g
rjkz [21]
First , 27.6 cm^3 is equal to 27.6 ml

Density = mass g / volume cm^3

= 74.6 / 27.6 = ........ g/cm^3
6 0
3 years ago
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A scientist would like to make 450.0 mL of a 0.0200 M HCl by diluting a 7.00 M HCl solution. What volume of the 7.00 M HCl solut
bagirrra123 [75]
450.0 ML because it has more solution and it would be better if the sciences users it
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3 years ago
7. Interpret Data A company plans to make an electronic device. They need to use an element that has chemical behavior similar t
Goryan [66]

Germanium (Ge) is an element that has chemical behavior similar to that of silicon (Si) and lead (Pb). As it has an atomic mass greater than that of sulfur (S), but less than that of cadmium (Cd).

<h3>Why does the element of the same group have similar chemical behavior?</h3>

The chemical behavior of elements depends on the number of valence electrons in their outermost shell. Elements placed in the same group have the same number of valence electrons. Therefore, elements placed in the same group of the periodic table have similar chemical properties.

The elements having a similar outer electronic configuration in their atoms are arranged in the same group of the periodic table. These valence electrons are responsible chemical properties and reactivities of the elements.

Therefore, silicon and lead can be replaced by any element belonging to the same group in which Si and Pb are present. So we have germanium and tin. But germanium is the element that has an atomic mass greater than sulfur (S), but less than cadmium (Cd).

Learn more about elements with similar chemical behavior, here:

brainly.com/question/5364617

#SPJ1

3 0
1 year ago
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