Plzzzz help right answer gets a brainly!

Plzzzz Help Right Answer Gets A Brainly!

Answers

Answer 1

Answer: 4

Explanation: Your counting 4 for each interval. 9+4 =13 13+4 =17 17+4 =21 and so on.


Related Questions

What’s a good summary for pseudoscience?

Answers

Answer:

Beliefs or practices that are regarded as "scientific" and "factual" but have not been proven nor are they backed by science.

Explanation:

Example: Astrology

In a chemical formula or a chemical equation, what is the small number after the element symbol? ​

Answers

Answer:

It's called a subscript.

Explanation:

Subscripts tell you how many atoms of an element are in a compound.

How do substances and mixtures diifer

The composition of one is always the same, and the composition of the other varies

One contains only one type of atom, and the other contains two or more

One is always homogeneous, and the other is always heterogeneous

One contains one type of molecule, and the other contains two types

it for 100 points please give it correctly.

Answers

Answer:

hello hope this helps :)

a pure substance consists only of one element or one compound. a mixture consists of two or more different substances, not chemically joined together.

Explanation:

what is meant by the term quantitative?
A) number measurement
B) words & explanation

Answers

Answer:

a) number measurement

Explanation:

relating to, measuring, or measured by the quantity of something rather than its quality.

Answer:

number and measurement

Explanation:

Quantitative is an adjective that simply means something that can be measured. For example, we can count the number of sheep on a farm or measure the gallons of milk produced by a cow.


The sun is the biggest source of visible_
energy caused by the movement of waves of
_____

Answers

Answer:

the sun is the biggest source of visible (solar?) energy caused by the movement of waves of (electromagnetic?)

Not confident sry :(

Explanation:


Question in picture plsss help

Answers

Answer:

2nd answer is correct. Hope it helped you!

At which part of a river would you have the best luck growing food?
A. Bend
B. Delta
C. Alluvial fan
D. Source

Answers

Answer:

B. Delta

Explanation:

if you have 4 moles of n2 and 6 moles of h2, how much would be produced?

Answers

Answer:

8 i think

Explanation:

why are there different types of matter.

Answers

Answer:

solid ; liquid and gas........

What is the name of the "invisible force" that holds you to Earth's surface

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Answer:

Gravity

Explanation:

Answer: gravity

Explanation: gravity has is an “invisible force” that holds matter down instead of floating off into space.

Your aunt is sipping on iced tea and fanning herself during a hot South Carolina summer day. You tell her that there is enough energy in one drop of her iced tea to run the air conditioner for the rest of her life if the energy could be extracted with 100% efficiency. Your aunt asks you to explain. Use the concepts you learned in this unit to explain the relationship between forces, energy, and matter.

Answers

Answer:

Isn't this like having enough energy to supply the world for centuries with just 1% of the sea's force?

Explanation:

I guess it's because the amount of energy in it can supply energy.

A motorist discovers that her auto tire measures 29.2 psi rather than the recommended 35 psi. If the tire’s volume is assumed constant at 11.6 L and the temperature is 45F at the filling station, how many moles of air will the motorist need to add to bring the tire to 35 psi? (assume 1.00 atm = 14.7 psi)

Answers

Answer:

  0.20 moles

Explanation:

The pressure is proportional to the quantity of gas at a given temperature and volume. So, the quantity needs to be increased by a factor of ...

  (35 psi)/(29.2 psi) = 175/146 ≈ 1.19863

The fractional increase required is ...

  1.19863 -1 = 0.19863

__

The quantity of air currently in the tire is ...

  1 mol·519.67°R/(atm·23.6442 L) × (29.2/14.7 atm) × (11.6 L) / (45+459.67)°R

  = 1.0035 mol

so we need to add ...

  (fraction to add) × (current quantity) = amount to add

  0.19863 × 1.0035 mol = 0.1993 mol = amount to add

About 0.20 moles of air must be added to the tire to bring the pressure up.

How many atoms of hydrogen in the product side of the balanced equation?
Fe + H2O ---> FeO + H2
A) 2
B) 3
C)6

Answers

Answer:

i think the answer should be a

Which products of photosynthesis does your body break down to be used for cellular respiration?

Answers

Answer:

Photosynthesis makes the glucose that is used in cellular respiration to make ATP. The glucose is then turned back into carbon dioxide, which is used in photosynthesis. While water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.

hope this helps!

How many known elements have atoms, in their ground-state, with valence electrons whose quantum numbers are n = 5 and l = 1?a. 36..
b. 37.
c. 6.
d. 8.

Answers

Answer:

c. 6.

Explanation:

Looking at the description given in the question, the elements involved must belong to the p- block of the periodic table and must be in period 5. They also must possess valence electrons in the 5p- orbital.

Now if we look at the p- block of period 5, the following elements satisfy these  requirements; Sr, In, Sn, Sb, Te and I.

Hence there are six of such elements.

The chemical elements that have atoms, in their ground-state, with valence electrons whose quantum numbers are n = 5 and l = 1 are: C. 6.

What is a valence electron?

A valence electron can be defined as the number of electrons that is present in the outermost shell of an atom.

In Chemistry, valence electrons are primarily used to determine whether an atom or group of chemical elements that are found on the periodic table can bond with others.

Based on electronic configuration, quantum numbers of n = 5 and l = 1 simply represents a 6p orbital and there a total of six (6) chemical elements with this orbital, and these include;

ThalliumLeadRadonAstatinePoloniumBismuth

Read more on valence electrons here: https://brainly.com/question/16554158

At room temperature, one of the molecules is a gas and one is a liquid. Identify which structure is a gas and which is a liquid.

Answers

it starts at the bottom and then it goes up into the air as evaporation and that’s when the air gets cooler so gas is cooler and the liquid would be hotter

Nick needs 3.5 moles of sodium fluoride (NaF) for a solution he is mixing in the lab. How many grams of NaF does Nick need to measure out?​

Answers

Answer:

147 g

Explanation:

The number of moles of a substance is the ratio of the mass of the substance and the molar mass of that substance. Mathematically,

  mole = mass of substance/molar mass

In this case, Nick needs 3.5 moles of NaF, the molar mass of NaF is calculated as:

  23 + 19 = 42 g/mol (Note: Na = 23, F = 19)

Hence,

mass of 3.5 mole NaF = mole x molar mass

                              = 3.5 x 42 = 147 g.

Hence, Nick would need to measure out 147 g NaF using a suitable weighing balance.

What element has the noble gas configuration [Ne]3s23p??

Answers

Answer:

Sulfur

Explanation:

The first ten electrons of the sodium atom are the inner-shell electrons and the configuration of just those ten electrons is exactly the same as the configuration of the element neon (Z = 10).

...

Noble Gas Configurations.

Element Name Sulfur

Symbol S

Atomic Number 16

Noble Gas Electron Configuration [Ne]3s23p4

Aluminum is the answer

True or False
ATP energy is used to move muscles and build protein in your body

Answers

True. ATP is released when using your muscles, and it helps break down food giving you protein

What is the volume of 100 g neon at STP?

Answers

Answer:

Well

STP

specifies 100⋅kPa,and 273.15⋅K...

Explanation:

And so we solve for n

moles of gas

in the Ideal Gas equation, and of course we have to fish out an appropriate gas constant...

n=PVRT=100⋅kPa×10⋅L8.314⋅L⋅kPa⋅K−1⋅mol−1×273.15⋅K

=0.440⋅mol

And thus a mass of 0.440⋅mol×20.18⋅g⋅mol−1...approx. 9⋅g...

Explanation:

using the ideal gas law, PV=nRT, where R=0.0821 L atm/mol K, calculate the volume in liters of oxygen produced by the catalytic decomposition of 25.5 g potassium chlorate according to the following reaction. The oxygen is collected at 2.22 atm and 25.44 C. express your answer to the correct number of significant figures.
2KClO3(s) ---> 2KCl(s) + 3O2(g)

Answers

Answer:

V = 2.32 Liters

Explanation:

PV = nRT => V = nRT/P

n = 25.8g/122g/mole = 0.21 mole

R = 0.08206 L·atm/mol·K

T = 25.44°C + 273 = 298.44K

P = 2.22 atm (given in problem)

V = (0.21mol)(0.08206 L·atm/mol·K)(298.44K)/(2.22atm) = 2.32 Liters at 25.44°C & 2.22atm

Carbon-14, which is present in all living tissue, radioactively decays via a first-order process. A one-gram sample of wood taken from a living tree gives a rate for carbon-14 decay of 13.6 counts per minute. If the half-life for carbon-14 is 5720 years, how old is a wood sample that gives a rate for carbon-14 decay of 7.9 counts per minute?
A. 5.3 x 102 yr.B. 7.6 x 102 yr.C. 1.1 x 103 yr.D. 9.5 x 103 yr.

Answers

The question is incorrect, the correct question is;

Carbon-14, which is present in all living tissue, radioactively decays via a first-order process. A one-gram sample of wood taken from a living tree gives a rate for carbon-14 decay of 13.6 counts per minute. If the half-life for carbon-14 is 5720 years, how old is a wood sample that gives a rate for carbon-14 decay of 11.9 counts per minute?

Answer:

C. 1.1 x 103 yr

Explanation:

A = count rate of the wood sample

Ao= count rate of a living tissue

t1/2= half life of C-14

t = time taken

From;

0.693/t1/2 = 2.303/t log Ao/A

0.693/5720 = 2.303/t log (13.6/11.9)

1.2 * 10^-4 = 2.303/t * 0.05799

1.2 * 10^-4 = 0.1336/t

t = 0.1336/1.2 * 10^-4

t = 1.1 x 103 yr

need help asap........................................

Answers

Answer:

its a

Explanation:

beacause the movement goes forward

how many valence electrons in an oxygen atom?

Answers

Answer:

6 valence electrons

Explanation:

Valence electrons are the electrons in the outermost shell, or energy level, of an atom. For example, oxygen has six valence electrons, two in the 2s subshell and four in the 2p subshell.

6 valance electrons are in oxygen because it is in group 16 n 16-10=6

Answer the in under 30 minutes and I will give brainliest


After which event in Indonesia did one of the worst tsunamis form?


a hurricane


a volcanic eruption


a landslide


an earthquake

Answers

Answer: I believe the answer is an earthquake.

Explanation: Sorry If I am wrong!

Answer:

earthquake

Explanation:

I took the k12 test

bonds. Carbon dioxide has a. Ionic b. Covalent c. Nonpolar covalent d. Polar covalent​

Answers

Answer:

B

Explanation:

Covalent bond.

what's element on the periodic table has the symbol w ​

Answers

Tungsten is the symbol

Answer:

W is tungsten on the periodic table

How many protons and electrons does 8 -2 ion contain

Answers

Answer:

8 protons, 10 electrons.

Explanation:

the -2 charge adds 2 electrons–hence, you have 10 electrons while protons remain at 8.

Can a trout and a catfish be members of the same population?

Answers

Answer:

Most likely. They eat different prey items so they would use niche partitioning. for example the leopards and lions of africa. They are both large carnivores, but are able to coexist by evolving to prey on different animals.

Explanation:

To evaluate R. the volume of a gas measured in the temperature of the gas is measured in
while

Answers

Answer:It is necessary to use Kelvin for the temperature and it is conventional to use the SI unit of liters for the volume.

Explanation:

However, pressure is commonly measured in one of three units: kPa, atm, or mmHg. Therefore, can have three different values.

Answer: liters; Kelvin

Explanation:

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