3 years ago

Which of the following chemical symbols represents the element silver?

Chemistry

1 answer:

Virty [35]3 years ago

3 0

The chemical symbol that represents the element silver is B. Ag

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Which of the following actions does not require power

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Eating an apple

Explanation:

No electricity

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3 years ago

Using the phase diagram for H2O what phase is water in at 1 atm pressure and 50oC? A. It is in the solid phase B. It is at its m

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D.It is in the gas phase

Explanation:

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2 years ago

The reaction described in Part A required 3.40 L of sodium chloride. What is the concentration of this sodium chloride solution

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Answer:

Part A:

First, convert molarity to moles by multiplying by the volume:

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2 years ago

2.00 L of 0.800 M NaNO3 must be prepared from a solution known to be 2.50 M in concentration.How many mL are required? Plus don'

Morgarella [4.7K]

Answer:

1.36 × 10³ mL of water.

Explanation:

We can utilize the dilution equation. Recall that:

$\displaystyle M_1V_1= M_2V_2$

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Let the initial concentration and unknown volume be M₁ and V₁, respectively. Let the final concentration and required volume be M₂ and V₂, respectively. Solve for V₁:

$\displaystyle \begin{aligned} (2.50\text{ M})V_1 &= (0.800\text{ M})(2.00\text{ L}) \\ \\ V_1 & = 0.640\text{ L} \end{aligned}$

Therefore, we can begin with 0.640 L of the 2.50 M solution and add enough distilled water to dilute the solution to 2.00 L. The required amount of water is thus:
$\displaystyle 2.00\text{ L} - 0.640\text{ L} = 1.36\text{ L}$

Convert this value to mL:
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Therefore, about 1.36 × 10³ mL of water need to be added to the 2.50 M solution.

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2 years ago

3. If the sun heats my car from a temperature of 20.0 C to a temperature of 55° C, what will the

Katyanochek1 [597]

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I would try but i just need points good luck tho

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2 years ago