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Nana76 [90]
3 years ago
7

Please help me!!!!!!!! it's due soon!!!!!!!!!!!!! NO LINK!!!!!!!!!

Physics
1 answer:
maria [59]3 years ago
7 0
.75(m/s)^2


Use this picture
If you know the two on the bottom you multiply them but if you only know the top and one on the bottom you divide

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If 35 mg of Oxygen is mixed with 1000 g of water at 25 degrees Celsius, a solution forms.
Serjik [45]

Answer:

The solute is oxygen

The solvent is water

Explanation:

A solvent is any chemical substance that dissolves other chemical substances, while a solute refers to any chemical substance that dissolves in other chemical substances. The best way to know when a chemical substance dissolves in another chemical substance is when a solid or gas dissolves in water. The solid or the gas can now be referred to as the solute and it will be shown to be in the the aqueous state, while the solvent is usually shown to be in the liquid state in any chemical equation.

Let us use the particular example of the dissolution of oxygen gas in water as shown below;

O2(g) + H2O(l)⇄O2(aq) + H2O(l)

The aqueous oxygen is the solute while the liquid water is the solvent.

Also, the substance having a smaller mass must be the solute and the substance having the larger mass must be the solvent.

3 0
3 years ago
Corrosive substances are rarely harmful to human skin.
Shtirlitz [24]

Corrosive substances are rarely harmful to human skin.   This statement is <em>False.</em>  Corrosive substances are ALMOST ALWAYS harmful to the skin.

Most problems addressed by the technological design process have only one solution.  This statement is also <em>False.</em>  There is more than one way to skin a cat.

5 0
3 years ago
Read 2 more answers
Two oppositely charged but otherwise identical conducting plates of area 2.50 square centimeters are separated by a dielectric 1
TEA [102]

Answer: 38.2 μC

Explanation: In order to solve this problem we have to use the relationship for a two plate capacitor with a dielectric  so:

C= Q/V= we also know that for two paralel plates C=εo*k*A/d and V=E/d

where k is the dielectric constant, A plate area, V is potential difference; E electric field and d the separation between the plates.

reorganizing we have:

Q/A=σ= E*k/εo= 1.2 * 10^6*3.6/8.85 * 10^-12=38.2μC

3 0
3 years ago
What is the weighted average mass of chlorine
JulijaS [17]

Answer:

35.48 amu

Explanation:

3 0
2 years ago
Assume this is an acceleration graph, where the X axis represents time in seconds and the Y axis represent velocity in m/s. Whic
Vilka [71]

Answer:

D) Acceleration is positive and increasing.

Explanation:

Acceleration is defined as the rate of change of velocity per unit time; in formulas:

a=\frac{\Delta v}{\Delta t}

where \Delta v is the variation of velocity and \Delta t is the variation in time.

The graph shows the velocity vs the time of a moving object. We can see that \Delta v is the increment on the y-axis, while \Delta t is the increment on the x axis: therefore, the ratio \frac{\Delta v}{\Delta t} is the slope of the curve. In fact, in a velocity-time graph, the slope of the curve corresponds to the acceleration of the object.

In this particular graph, we see that the slope of the curve continues to increase: therefore, the acceleration is positive (because the slope is positive, since the velocity is increasing) and increasing (because the slope is increasing).

3 0
3 years ago
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