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3 years ago

What are some damages for aftershocks

2 answers:

8 0

The aftershock was responsible for additional damage and casualties, as well as for delaying efforts to free people already trapped beneath rubble. There are also examples of large aftershocks' causing more damage and loss of life than the earthquakes they are associated with.

Mariulka [41]3 years ago

8 0

Some consequences of aftershocks are further worsening structural damage already caused by the earthquake (which leads to further loss of property and lives), building collapses, and moving places that are along fault lines (California for example drifts northward a tiny bit each year).

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Which elements have only one electron orbit or shell? A. hydrogen (H) and helium (He) B. helium (He) and lithium (Li) C. krypton

mixer [17]

2.1 Electrons, Protons, Neutrons, and Atoms

Hydrogen H 1

Helium He 2

Lithium Li 3

Beryllium Be 4

5 0

4 years ago

hen a chemical reaction occurs, the physical and chemical properties of the reactants are the same as the properties of the prod

Doss [256]

Answer: False

Explanation:

In chemical reactions new substances are formed.

3 0

4 years ago

What is the wavelength, in nanometers, of light with a frequency of 5.89 x 10¹⁴ s⁻¹?

vovangra [49]

Answer:

≅ 50, 909 nm

Explanation:

Wavelength, λ = $\frac{speed}{freq}$

Given:

speed of light = $3*10^{8} m/s$

f = 5.89 × $10^{14}$

∴ λ = 3× $10^{8}$ / 5.89 × $10^{14}$

= 0.0000509 m ≅ 50, 909 nm

Let me know if you need further assistance

7 0

3 years ago

Group 1A element sodium combines with Group 7A element chlorine to form sodium chloride or table salt. Based on this information

Ymorist [56]

The answer is Na < Cl

Chlorine is more electronegative than sodium because this follows the trend of the periodic table. The trend states that an element's electronegativity increases from left to right of a period and bottom to up of a group. Since sodium and chlorine are from the same period, and chlorine is at the right of sodium, chlorine is more electronegative.

8 0

4 years ago

If 50 mL of pure acetone is mixed with 450 mL of water, what is the percent by volume of acetone?

slega [8]

Answer:

10%

Explanation:

The percent by volume of acetone is given by the following formula:

% v/v = Volume of acetone / Total Volume * 100%

Now we calculate the total volume of the solution:

Total Volume = Volume of Acetone + Volume of Water

Total Volume = 50 mL + 450 mL = 500 mL

Then we calculate the percent by volume:

% v/v = 50 mL / 500 mL * 100 % = 10%

4 0

3 years ago