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3 years ago

How do you think electricity and magnetism are connected?

Chemistry

1 answer:

Lunna [17]3 years ago

6 0

Answer:

Electricity and magnetism are closely related. Flowing electrons produce a magnetic field, and spinning magnets cause an electric current to flow. Electromagnetism is the interaction of these two important forces.

Explanation:

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Liquids:

swat32

Answer:

The correct answer is B

Explanation:

3 0

3 years ago

Read 2 more answers

How many CaF are in a 1.7x10^25 please I need help fast!!

Gemiola [76]

<h3>Answer:</h3>

28 mol CaF

<h3>General Formulas and Concepts:</h3>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right<u> </u>

<u>Chemistry</u>

<u>Atomic Structure</u>

Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.

<u>Stoichiometry</u>

Using Dimensional Analysis

<h3>Explanation:</h3>

<u>Step 1: Define</u>

[Given] 1.7 × 10²⁵ molecules CaF

[Solve] moles CaF

<u>Step 2: Identify Conversions</u>

Avogadro's Number

<u>Step 3: Convert</u>

[DA] Set up: $\displaystyle 1.7 \cdot 10^{25} \ molecules \ CaF(\frac{1 \ mol \ CaF}{6.022 \cdot 10^{23} \ molecules \ CaF})$
[DA] Multiply/Divide [Cancel out units]: $\displaystyle 28.2298 \ moles \ CaF$

<u>Step 4: Check</u>

<em>Follow sig fig rules and round. We are given 2 sig figs.</em>

28.2298 mol CaF ≈ 28 mol CaF

7 0

3 years ago

Hydrogen fuel cells burn with _______ and produce _______.

nignag [31]

Hydrogen burns with oxygen as in combustion reaction to form water.
H₂ + O₂ → H₂O

3 0

4 years ago

Read 2 more answers

A 1.543 gram sample containing sulfate ion was treated with barium chloride reagent, and 0.2243 grams of barium sulfate was isol

Montano1993 [528]

Chemical reaction: SO₄²⁻ + Ba²⁺ → BaSO₄.
m(sample) = 1,543 g.
m(BaSO₄) = 0,2243 g.
n(BaSO₄) = m(BaSO₄) ÷ M(BaSO₄).
n(BaSO₄) = 0,2243 g ÷ 233,4 g/mol.
n(BaSO₄) = 0,00096 mol.
n(BaSO₄) = n(SO₄²⁻).
ω(SO₄²⁻) = m(SO₄²⁻) ÷ m(sample).
ω(SO₄²⁻) = 0,00096 mol · 96 g/mol ÷ 1,543 g.
ω(SO₄²⁻) = 0,059 = 5,9%.

6 0

3 years ago

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ANYONE HELP ME IN CHEMISTRY:(<br>JUST THE NAME AND SYMBOL <br>ANYONE WHO CAN HELP ME:(

lana [24]

Answer:

Hydrogen: H, Helium: He, Carbon: C

Nitrogen: N, Oxygen: O, Fluorine: F

Neon: Ne, Sodium: Na, Magnesium: Mg

Aluminum: Al, Silicon: Si, Phosphorus: P

Chlorine: Cl, Selenium: Se, Silver: Ag

Titanium: Ti, Beryllium: Be, Lithium: Li

Uranium: U, Nickel: Ni , Copper: Cu

Bromine: Br, Cadmium: Cd, Zinc: Zn

Cobalt: Co, Gallium: Ga, Germanium: Ge

Iron: Fe, Krypton: Kr, Potassium: K

Calcium: Ca, Chromium: Cr, Manganese: Mn

Scandium: Sc, Tin: Sn, Vanadium: V

Platinum: Pt, Boron: B, Au: Gold

7 0

3 years ago