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Allisa [31]
3 years ago
13

Which statements describe seismic waves? Select three options.

Chemistry
2 answers:
Alenkasestr [34]3 years ago
8 0

Answer:

A, C, E

Explanation:

Tcecarenko [31]3 years ago
7 0

Answer: A C E

Explanation: TOOK THE TEST

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For each trial, enter the amount of heat gained by the chemical system of ammonium nitrate, qrxn. The specific heat of water is
shtirl [24]
This is how to solve the problem:

First, we need to find the qcalorimeter.
The, you must use the equation:
<span>qcalorimeter = Csp + (delta)T </span>

<span>(delta)T  = is the same as what you used for
</span><span>CSP = you calculated this earlier in lab. "average heat capacity of the calorimeter" </span>

<span>Hope this helps answer your question.</span>
5 0
3 years ago
Calculate the pH of a 2.3 10-3M[OH'] solution.
disa [49]

Answer:

11.33

Explanation:

-log(2.3x10^-3) = 2.67

14-2.67

- Hope this helped! Let me know if you need a further explanation.

5 0
4 years ago
Satellite photos of Neptune and Uranus show that both planets have a bluish color. Which gas in their atmospheres gives them thi
Shtirlitz [24]

Answer:

Methane

Explanation:

5 0
3 years ago
Select the keyword or phrase that will best complete each sentence. law is a gas law that relates pressure and volume and states
kondor19780726 [428]

Answer:

Find answers below.

Explanation:

1. Boyle's law is a gas law that relates pressure and volume and states that for a fixed amount of gas at constant temperature, the pressure and volume of the gas are directly related.

Mathematically, Boyle's law is given by;

PV = K

P_{1}V_{1} = P_{2}V_{2}

Where;

P1 and P2 represents the initial and final pressures respectively.

V1 and V2 represents the initial and final volumes respectively.

2. Charles law is a gas law that states that for a fixed amount of gas at constant pressure, the volume of the gas is propotional to its Kelvin temperature.

Mathematically, Charles is given by;

VT = K

\frac{V_{1}}{T_{1}} = \frac{V_{2}}{T_{2}}

Where;

V1 and V2 represents the initial and final volumes respectively.

T1 and T2 represents the initial and final temperatures respectively.

3. Dalton law is a law that states that the total pressure of a gas mixture is equal to the sum of the partial pressure of its component gases.

4. Avogadro's law is a gas law that states that the volume of a gas is directly proportional to the number of moles of present when the pressure and temperature are held constant.

5. Gay Lussac's law is a gas law that states for a fixed amount of gas at constant volume, the pressure of the gas is directly proportional to its Kelvin temperature.

Mathematically, Gay Lussac's law is given by;

PT = K

\frac{P1}{T1} = \frac{P2}{T2}

6. The combined gas law is a gas law that relates pressure, volume, and temperature.

7. The ideal gas law is the equation PV = nRT

Where;

P is the pressure.

V is the volume.

n is the number of moles of substance.

R is the ideal gas constant.

T is the temperature.

8 0
3 years ago
What are three chemical changes and what are three physical changes?
choli [55]

Chemical changes:

burning wood

digesting food

mixing acid and base

Physical changes:

breaking a bottle

melting an ice cube

crumbling a sheet of paper

8 0
3 years ago
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