Which is an example of a response?a. water lost from the lungs during breathing
b. ivy growing around the pole of a fence
c. the angle of the sun changing during the day
d. outside temperature dropping at night

Answers

Answer 1

Answer: The anwser is B.ivy growing aroung the pole of a fence I just took this test

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How does the number of atoms in one mole of argon compare with the number of molecules in one mole of ammonia
How many aluminium atoms are there in the formula for aluminium nitrate ?
A laboratory requires 2.0 L of a 1.5 M solution of hydrochloric acid (HCl), but the only available HCl is a 12.0 M stock solution. How could you prepare the solution needed for the lab experiment? show all work to find your answer

Which of the following is most likely to be amorphous?-glass
-solid sulfur
-solid calcium
-gold

Answers

Answer: Option (a) is the correct answer.

Explanation:

Amorphous means without any crystalline structure or definite shape. Whereas a solid whose atoms are not bonded together in a definite lattice pattern. This solid is non-crystalline in nature.

For example, glass, gel, plastic etc are all amorphous solids.

Whereas solid sulfur, solid calcium, and gold have a definite lattice pattern and has a crystalline structure. Thus, they are not amorphous solids.

Thus, we can conclude that out of the given options glass is most likely to be amorphous.

the best answer here would be glass.

How are the atoms in an object affected when the temperature of the object increase?

Answers

As the temperature is increased, the atoms displace their neighboring atoms and this chain goes continuously due to which energy is transferred from one atom to their neighbor atom like wise vibration and energy increases.

Bombarding sodium-23 with a
proton produces nuclide X and a neutron. What is nuclide X?

Answers:

magnesium-24

magnesium-23

neon-23

s
odium-24

none of the above

The isotope P
has a half-life of 14.3 days. If a sample originally contained 1.00 g of P,
how much was left after 43 days?

Answers:

0.250 g

0.125 g

0.750 g

0.500 g

Identify X in the reaction
below.
U
+ C
→ Cf
+ X

Answers:

1
alpha particle

3
protons

6
neutrons

6
electrons

A .20 gram sample of C-14 was allowed to decay for 3 half-lives. What mass
of the sample will remain? Carbon-14 has a half life of 5730
years.

Answers:

0.025

0.05

0.1

0
.01

0.05

The isotope Cu
has a half-life of 30 s. If a sample originally contained 48 mg of Cu,
how much time passed before the amount fell to 3 mg?

Answers:

120 s

240s

30 s

60 s(when I did my calculation for the question above, I got 60 seconds)

What radionuclide decays to Fe-56
by beta emission?

Answers:

Fe

Co

Mn

Co

MnHow do I know wat it becomes. I put 57 Co 27 and it's wrong.

The Cf
to Cf
conversion is accompanied by __________.

Answers:

an alpha
emission

a
neutron capture

an electron
capture

an electron releaseI would greatly appreciate your help...ASAP. Thank you.

Answers

Bombarding sodium-23 with a proton produces nuclide X and a neutron. What is nuclide X?

$^(23)_(11)Na--^(\beta^+)--> ^(23)_(10)Ne + e^(+)$

answer: neon
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The isotope P has a half-life of 14.3 days. If a sample originally contained 1.00 g of P,
how much was left after 43 days?

0 days >>> 1.00g
14,3 days >>> 1.00g :2 = 0,5g
(14.3+14.3) days >>> 0.5g : 2 = 0.25g
(14.3+14.3+14.3) days >>> 0.25g : 2 = 0.125g

answer: 0.125g
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Identify X in the reaction
below.
U + C → Cf + X

$^(238)_(92)U ---> ^(251)_(98)Cf+6e^-$

answer: 6 electrons (so it's beta⁻)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

A .20 gram sample of C-14 was allowed to decay for 3 half-lives. What mass
of the sample will remain? Carbon-14 has a half life of 5730
years.

at the beginning >>> 0.20g
1 half-live >>> 0.20g : 2 = 0.10g
2 half-live >>> 0.10g : 2 = 0.05g
3 half-live >>> 0.05g : 2 = 0.025g

answer: 0.025g
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The isotope Cu has a half-life of 30 s. If a sample originally contained 48 mg of Cu,
how much time passed before the amount fell to 3 mg?

0 s (at the beginning) >>> 48mg
30s >>>>>>>>>>>>>>> 48mg : 2 = 24mg
(30+30)s >>>>>>>>>>> 24mg : 2 = 12mg
(30+30+30)s >>>>>>>> 12mg : 2 = 6mg
(30+30+30+30)s >>>>> 6mg : 2 = 3mg

answer: 30+30+30+30 = 120s
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
What radionuclide decays to Fe-56 by beta emission?

$^(56)_(26)Fe--^(\beta^-)-->^(56)_(27)Co + e^-$

answer: ⁵⁶₂₇Co
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The Cf to Cf conversion is accompanied by __________.

Cf to Cf ???? maybe...mistake?

The temperature at which a substance boils is an example of a physical property.a. True
b. False

Answers

A physicalproperty is any property that does not concern with the change of the substance.The changes in the physical property can be used to describe itstransformations or evolutions from its initial state. They are often referredto as observables. Temperature at which asubstance boils is an example of a physical property. The temperature at which a substance boils describes astate of a physical system. It describes the transformation of a liquid fromits liquid state to its vapor by increasing its temperature.

The answer would be (a.)True.

Which
2 continents have the most obvious fit of the coastlines.
subject science

Answers

The East coastline of South America and the west coastline of Africa share the most obvious fit, it gave Wegener the first idea as evidence for the continental drift.

Two continents have the most obvious fit of the coastlines are the east coast of South America and the west coast of Africa.

Further explanation

According to the examination of a world map it reveals a striking match between the shapes of the east coast of South America and the west coast of Africa. Attached the map which shows the west coast of Africa in 1842 and also the map of the east coast of South America. According to the picture of the west coast of Africa in 1842, we can see Sierra Leone and Freetown, where the West India Regiments arrived and departed from.

Two continents have the most obvious fit of the coastlines are the east coast of South America and the west coast of Africa, because the east coast of South America and the west coast of Africa seem to fit together like pieces of a jigsaw puzzle.

Wegener discovered that their rock layers are fit just as it clearly. All the landmasses used to be one great landmass called Pangaea. Due to plate tectonics, fire movements in the mantle of the earth, the continents are slowly through millions of years, spread farther apart.

Learn more

Learn more about Matching Coastlines brainly.com/question/6285861

Answer details

Grade: 9

Subject: chemistry

Chapter: coastlines

Keywords: coastlines

What is the pH of a 2.0 M solution of HClO4?

Answers

HClO4 is a strong acid. Strong acids dissociate completely in water. 2.0 M of HClO4 is equal to 2.0 M of the H+ ion component of the substance. To solve the pH, the ff formula is to be used:
pH=-log[H+]

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Why would an electrician use parallel circuits to wire the lights in each room of a house instead of using a series circuit?A. When electricians get their license, they are only licensed to install parallel circuits. Most electricians aren't certified to install series circuits. B. Parallel circuits prevent electrons from flowing if part of the circuit is broken and therefore prevent fires. Series circuits cause more fires because electrons still flow. C. Electrons continue to flow in a parallel circuit even if part of the circuit is broken. In a series circuit, a break such as a burned out lightbulb would cause the current to stop in the whole room. D. Parallel circuits are much easier to wire and are required by the electrical code for housing construction in most communities. Series circuits are sometimes used with special approval.