3 years ago

Solid magnesium reacts with aqueous copper (I) nitrate to from aqueous magnesium nitrate and solid copper

Chemistry

1 answer:

Darina [25.2K]3 years ago

3 0

Answer:

Mg + 2CuNO3 -----> Mg(NO3)2 + 2Cu

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A radio station broadcasts at a frequency of 590,000 Hz. What is the wavelength of the radio waves?

34kurt

Answer:

f = frequency = 590,000 Hz ===> 59×10^4 Hz

λ = Wavelength = ?

c = Speed of light in a vacuum = 3 × 10^8 m/s

** Hz = 1/sec

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$f = \frac{c}{λ} \\ \\ λ = \frac{c}{f} \\ \\ λ = \frac{3 \times {10}^{8} }{590000} \\ \\ λ = \frac{3 \times {10}^{8} }{59 \times {10}^{4} } \\ \\ λ =0.0508 \times {10}^{4} \: m \\ \\ λ = 508 \times {10}^{ - 4} \times {10}^{4} \: m \\ \\ λ = 508 \: m$

I hope I helped you^_^

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3 years ago

Sodium chloride will dissolve in water and the resulting solution will conduct electricity. 1. false 2. true

ExtremeBDS [4]

Answer:
True: Sodium Chloride Solution will conduct Electricity.

Explanation:
When Sodium Chloride is in solid form it fails to conduct current, But when it is dissolved in water it dissociates to produce a Na⁺ and Cl⁻ ions which are current conducting between two electrodes.

NaCl ₍s₎ + H₂O → Na⁺ ₍aq₎ + Cl⁻₍aq₎

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3 years ago

The Hope diamond has a mass of 44.0 carats and a density of 3.51 g/cm3. What is the volume of the Hope diamond? (Hint: 1 carat =

Georgia [21]

Q=44.0 ct
p=3.51 g/cm³
Δq=0.200 g/ct

m=q×Δq

v=m/p=q×Δq/p

v=44.0×0.200/3.51≈2.5 cm³

C. 2.5 cm³

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3 years ago

A 45.50 mL aliquot from a 0.460 L solution that contains 0.410 g of MnSO 4 ( MW = 151.00 g/mol) required 35.7 mL of an EDTA solu

serg [7]

Answer:

Explanation:search the page rosemarry

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