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maxonik [38]
3 years ago
10

A scientist completely dissolves gaseous oxygen into a container of liquid water. Which of the following best describes the cont

ents of the container after the oxygen has been dissolved?
A.
an element
B.
a solution
C.
a compound
D.
a substance

STUDY ISLAND
Physics
2 answers:
soldier1979 [14.2K]3 years ago
8 0

Answer:

c

Explanation:

sdas [7]3 years ago
5 0

Answer:

Forgive me if I'm wrong but I think the answer is C.

Explanation:

I say this because liquid water is H20 (a combination of two elements) and Oxygen is a singular element. Compound is defined as a thing that is composed of two or more separate elements and thus, I think it's C.

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The power of a lens is 4. 0 diopters and its diameter is 5. 0 cm. what is the focal length of this lens?
fenix001 [56]

The focal length of the lens is 25cm

given:

power,p=4 diopters

what is focal length?

Focal length is the distance between the point of convergence of your lens and the sensor or film recording the image.

what is diopter?

The unit of optical power of lens is called diopter.It is the optical power of the lens.

we know,

p=1/f

where,

p= power

f= focal length

f=1/p

f=1/4

=0.25m

=25cm

Thus,the focal length of the lens is 25cm

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8 0
2 years ago
After oxygen has been administered, the next priority intervention the nurse would initiate for a patient with a pulmonary embol
dolphi86 [110]

After oxygen has been administered, the next priority intervention the nurse would initiate for a patient with a pulmonary embolus is the administration of IV Heparin.

<h3>What is Heparin?</h3>

Heparin is a prescription medicine used to treat and prevent symptoms of blood clots caused by medical conditions or medical procedures. Heparin may be used alone or with the other medications. Heparin belongs to a class of drugs called the Anticoagulants, Cardiovascular, Anticoagulants, Hematologic.

<h3>What are the side effects of Heparin?</h3>

Heparin may cause serious side effects including:

skin warmth or discoloration,

chest pain,

irregular heartbeats,

shortness of breath,

dizziness,

anxiety,

sweating,

unusual bleeding or bruising,

severe pain or swelling in your stomach, lower back/growing

dark or blue-colored skin on your hands/feet,

nausea,

vomiting,

loss of appetite,

unusual tiredness,

bleeding that will not stop,

nosebleed,

blood in the urine or stool,

black or tarry stools,

coughing up blood or vomit that looks like the coffee grounds,

skin changes where the medication was injected,

fever,

chills,

runny nose,

watery eyes,

easy bruising,

purple or red spots under your skin,

sudden numbness or weakness,

problems with vision or speech, and

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3 0
2 years ago
URGENT!!!!!!!<br><br> PLEASE HELP WITH THIS PHYSICS PROBLEM
Levart [38]

Explanation:

Let

x_1 = distance traveled while accelerating

x_2 = distance traveled while decelerating

The distance traveled while accelerating is given by

x_1 = v_0t + \frac{1}{2}at^2 = \frac{1}{2}at^2

\:\:\:\:\:= \frac{1}{2}(2.5\:\text{m/s}^2)(30\:\text{s})^2

\:\:\:\:\:= 1125\:\text{m}

We need the velocity of the rocket after 30 seconds and we can calculate it as follows:

v = at = (2.5\:\text{m/s}^2)(30\:\text{s}) = 75\:\text{m/s}

This will be the initial velocity when start calculating for the distance it traveled while decelerating.

v^2 = v_0^2 + 2ax_2

0 = (75\:\text{m/s})^2 + 2(-0.65\:\text{m/s}^2)x_2

Solving for x_2, we get

x_2 = \dfrac{(75\:\text{m/s})^2}{2(0.65\:\text{m/s}^2)}

\:\:\:\:\:= 4327\:\text{m}

Therefore, the total distance x is

x = x_1 + x_2 = 1125\:\text{m} + 4327\:\text{m}

\:\:\:\:= 5452\:\text{m}

3 0
3 years ago
A runner with a mass of 80kg accelerates from 0 to 9 m/s in 3 s find the net force
frosja888 [35]
So, first you find your acceleration which is 3m/s^2, using the acceleration formula.
Now set up your equation, F=ma, so put in the stuff, F=80kg·3m/s^2. Then solve your equation by multiplying, and you get F=240N, since newtons are your measurement.
Hope this helps
4 0
3 years ago
What is the wavelength of light that is deviated in the first order through an angle of 13.1 ∘ by a transmission grating having
faltersainse [42]

Answer:

The wavelength of light is 4.53\times10^{-7}\ m

Explanation:

Given that,

Angle = 13.1°

Number of slits = 5000

We need to calculate the wavelength of light

Diffraction of first order is defined as,

d \sin\theta=n\lambda.....(I)

The separation of the slits

d = \dfrac{1}{N}

d=\dfrac{1}{5000}

d=2\times10^{-6}\ m

Now put the value in equation (I)

2\times10^{-6}\sin13.1^{\circ}=\lambda

Here, n = 1

\lambda=4.53\times10^{-7}\ m

Hence, The wavelength of light is 4.53\times10^{-7}\ m

7 0
3 years ago
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