6th grade science Major grade plz help ASAP

6th Grade Science Major Grade Plz Help ASAP

Answers

Answer 1

Answer: An organism is part of a community


Related Questions

Hello, I need help in this part of chemistry, I need the chemical names of the following four:

1) B and F3

2) Se and I2

3) As2 and Se3


ASAP! Please,,, ​

Answers

1- Biron trifluoride
2- selenide
3- arsenic triselenide

A sample of gas is kept at a temperature of 300 k, a volume of 1.45L, and a pressure of 3.00 kPa. How many moles of has are in the sample

Answers

Answer:

the number of moles of the gas is 0.00174 mol.

Explanation:

Given;

temperature of the, T = 300 K

volume of the gas, V = 1.45 L

Pressure of the gas, P = 3.0 kPa

The number of moles of the gas is calculated using Ideal gas equation, as follows;

PV = nRT

Where;

n is number of moles of the gas

R is the ideal gas constant, = 8.315 L.kPa/mol.K

n = PV / RT

n = (3 x 1.45) / (8.315 x 300)

n = 0.00174 mol.

Therefore, the number of moles of the gas is 0.00174 mol.

Describe how the size of the sun compares to the sizes of the other stars.

Answers

Answer:

The sun's circumference is about 2,713,406 miles (4,366,813 km). It may be the biggest thing in this neighborhood, but the sun is just average compared to other stars. Betelgeuse, a red giant, is about 700 times bigger than the sun and about 14,000 times brighter.

Explanation:

looked it up

Explanation:

The sun's circumference is about 2,713,406 miles (4,366,813 km). It may be the biggest thing in this neighborhood, but the sun is just average compared to other stars. Betelgeuse, a red giant, is about 700 times bigger than the sun and about 14,000 times brighter

Describe what happens to the molecules in the ice as temperature of the ice increases

Answers

Answer:

When you heat ice, the individual molecules gain kinetic energy, but until the temperature reaches the melting point, they don't have energy to break the bonds that hold them in a crystal structure. They vibrate more quickly within their confines as you add heat, and the temperature of the ice goes up.

Answer:

As energy is transferred to the water molecules in the ice, the motion of the molecules increases. The motion of the molecules increases enough that it overcomes the attractions the water molecules have for each other causing the ice to melt.

How many moles of NaCl are found in 5.2L of a 0.75 M solution?

Answers

Answer 4.45 moles

Explanation:

The temperature of 200 mL of gas originally at STP is changed to –25o C at constant volume. Calculate the final pressure of the gas in mmHg.

Answers

Answer:

691.6 mmHg

Explanation:

At standard temperature and pressure, temperature of a system = 273K, and pressure= 1atm

T1= 273.15K

P1= 1atm

T2= (–25°C +273.15 )= 248.15K

From Gay-Lussac's law which expressed that at constant volume, pressure of a particular mass of gas is directly proportional to temperature . It can be expressed as

P1 / T1 = P2 / T2

Where P1= initial pressure

T2= final temperature

T1= initial temperature

P2= final pressure

Making P2 subject of the formula

P2= (P1 × T2)/ P1

Substitute the values we have

P2= (1 atm × 248.15K)/273.15

P2= 0.91 atm

But

1atm= 760 mmHg

0.91 atm= X mmHg

If we cross multiply we have

X mmHg= (760× 0.91)/1

= 691.6 mmHg

Hence, the final pressure of the gas in mmHg is 691.6 mmHg

How many moles of gas is contained in 2.21 L at STP?​

Answers

Answer:

its an helium gas are contained in a 4.0L at STP? 0.17

Explanation:

because the elements in column 2.21 is what quantity of gas in holes

Complete the following molecular models to represent balanced equations by
drawing additional molecules but not changing the identity of them. When you are
done, the total number of atoms of each element on the reactant side of the equation
must equal the total number of atoms of the same elements on the product side.
a)

Answers

Answer:

I do not know the Answer I'm just trying to get my point

Explanation:

Thank you

The behavior of an organism is influenced A. only by the organism's life experiences. B. only by the organism's evolutionary history. C. by both the organism's evolutionary history and its life experiences. D. by neither the organism's evolutionary history nor its life experiences.

Answers

C because it would be influenced by both

how do you balance _KCIO3 + __P4 → _P4010 + ___KCI

Answers

10KClO3 + 3P4 → 3P4O10 + 10KCl

A fire that is burning wood will release water vapor and carbon dioxide
true or false?

Answers

Answer:

true.

Explanation:

Indicate whether each statement is true or false. Drag the appropriate statements to their respective bins. the octet rule is based on the fact that filling in all s and p valence electrons in a shell gives eight electrons. compounds in which nitrogen is the central atom are frequent exceptions to the octet rule because they have too many electrons surrounding the nitrogen. boron compounds are frequent exceptions to the octet rule because they have too few electrons surrounding the boron. the si in sih4 does not follow the octet rule because hydrogen is in an unusual oxidation state.

Answers

Answer:

the octet rule is based on the fact that filling in all s and p valence electrons in a shell gives eight electrons--- True

boron compounds are frequent exceptions to the octet rule because they have too few electrons surrounding the boron......True

compounds in which nitrogen is the central atom are frequent exceptions to the octet rule because they have too many electrons surrounding the nitrogen...... false

the si in sih4 does not follow the octet rule because hydrogen is in an unusual oxidation state......false

Explanation:

The octet rule simply means that atoms tend to be stable when they have eight electrons in their outermost shell. This rule mostly applies to the s and p orbitals and not to the d and f orbitals. The sum of the total electrons in the outermost s and p orbitals is often equal to eight for an atom to be considered stable, for example, the noble gases.

Boron often forms compounds which has less than eight electrons around the boron central atom because the compounds of boron often have a sextet of electrons owing to the fact that boron is trivalent and forms mostly covalent compounds.

Nitrogen compounds mostly obey the octet rule and do not have excess electrons. The oxidation state of hydrogen in SiH4 is not unusual.

Organisms are more closely related to the species that they share the most DNA with

True or False

Answers

Answer:

True

Explanation:

PLEASE HELP ME ASAP!!!!!!!!!!!!!

Answers

the answer is B i’m sure

Read the temp what is it?
17.3 or 17.25??

Answers

Answer:

I would say 17.25.

Explanation:

17.25 would be ur answer

A bottle contains 2.5 moles of KOH dissolved in water, and the molarity of the solution is 0.16 M.

What volume of solution is in this bottle?

Answers

Answer:

V = 15.6 L

Explanation:

Hello there!

In this case, according to the definition of molarity in terms of the moles of solute divided by the volume of the solution, it is possible for us to write:

[tex]M=n/V[/tex]

Thus, given the moles and concentration of the solution, we can find the volume as shown below:

V=n/M

Therefore, we plug in the given data to obtain:

V = 2.5mol /(0.16mol/L)

V = 15.6 L

Best regards!

Which of the following is deforestation most likely to cause?
A.
an increase in the amount of soil on Earth
В.
an increase in the amount of minerals on Earth
C.
an increase in the amount of carbon dioxide in Earth's atmosphere
D
an increase in the amount of ozone in Earth's atmosphere

Answers

Answer:

C

Explanation:

trees (as well as other plants) produce carbon dioxide. deforestation is the removal of trees. this will not cause an increase in any pollutants such as ozone. ozone is made from VOCs and other harmful pollutants, and not caused by trees. tearing down trees will also not create more soil. So the answer has to be C

CSI blood drop I need help please I don’t find any answers in the episode

Answers

Fightfghghhhjdffgggghhjkkmjjj

How many moles do I have of Lithium if I have 116.3g

Answers

Answer:

16.85mol

Explanation:

The number of moles of a substance can be calculated by dividing the mass of that substance by its molecular mass. That is;

number of moles (n) = mass (m) /molar mass (MM)

Molar mass of lithium = 6.9g/mol

Hence,

number of moles = 116.3 ÷ 6.9

Moles = 16.85mol

Therefore, 16.85moles is present in 116.3g of Li.

How much did the total amount of discarded clothing and other fabrics increase from 1960
to 2018?

Answers

Answer:

Around 17,000,000 or a little more than that

write a paragraph on: how Westfield how the rust in their water formed.

Answers

Answer:

Students have investigated what's going on in the fictional town of Westfield, they learned that the mysterious reddish-brown substance in the water is actually rust, which formed because of a chemical reaction between the iron pipes and the fertilizer substance in the water.

Explanation:

What can lead to being curious and also lead to fascinating scientific investigations? a. Questions b. Answers c. Qualitative Measurements d. Quantitative Measurements

Answers

Answer:

Questions

Explanation:

The word "science" was obtained from the Latin word "Scire" which means "to know". Hence science is a systematic investigation into the nature of the universe.

Scientific investigations begin with asking questions about the universe. It is this curiosity to know about occurrences in the universe as well as how to solve problems in the universe that leads to fascinating scientific investigations and discoveries.

Can you help me please

Answers

Answer:

11.5 or 11.52, depending on however many decimal places you round it to

Explanation:

the equation for mass ( using the specific heat capacity equation) is energy transferred divided by temperature change x the specific heat capacity.

so, we do 725 ÷ 32° (the temp change) x 2.03 = 11.52 or 11.5, depending on how many decimal places you round to

i would round to 2 decimal places, so the answer would be 11.52kg.

mass is measured in kg :) hope this helped.

A 4.5L container of gas has a pressure of 3.0 atm at a temperature of 100 C. The container is expanded to 6L, and the temperature is increased to 200 C.

A) 2.85 atm

B) 5.3 atm

C) 1.05 atm

D) 100 K

Answers

I think it’s D or A

I need help with my science project someone help me answer it!

Answers

Answer:

food

Explanation:

please help me asap. NO LINKS I WILL REPORT YOU!!!!

the galvanometer is not measuring any electricity despite all wires being hooked up. Why could this be?

Answers

Answer: you can find out information about Wheatstone bridge.

Explanation: maybe resistors are adjusted such a way that current through

Galvanometer is zero. There is no picture.

Answer:

mmh maybe the connections arent right

Explanation:

coz when u mess up even a bit current wont flow

Definition:This is a type of lab equipment in which students use probes, interfaces, and software for real-
time data acquisition, display, and analysis with a computer or calculator

What is the term?

Answers

The term is User Interface

why does his apple tastes less sour after 15 days ​

Answers

Answer:

Maybe because that he ate the apple when it wasn't ready or fully grown yet just like bannans if bannanas are green that means that they are still growing so maybe that why it tasted sour or prob because he ate an green apple because thos apples are sour.

Describe how ultrasonic waves help ships navigate and how ultrasonic waves can be used for medical purposes

Answers

i don’t know about ultrasonic waves sorry !!:) !!

Convert 1.65 moles of nitrogen gas at STP to liters.

What is the coefficient of the scientific notation answer ? What is the exponent of the scientific notation answer ? How many significant figures are there in the answer ? What is the right most significant figure in the answer ?

Answers

Answer:

See explanation

Explanation:

We know that 1 mole of a gas occupies 22.4 L

Hence, 1.65 moles of nitrogen gas occupies 1.65 moles * 22.4 L/1 mole = 36.96 L or 3.696 * 10^1 L = 3.70 * 10^1 L

The exponent of the scientific notation answer = 1

The significant figures there are  in the answer = 4

The right most significant figure in the answer = 2

Other Questions
pleaase help withhh tthis What do you get when you round 2932.62 to the nearest hundredth please provide step by step explanation too. 2. What is the measure of angle AOE and angle EOD?X+138x + 48 What is the measure of x and what is the reasoning you used Hi! I was wondering if someone could explain how to find a percent of a large number. I think you're supposed to multiply a number by a decimal, but I don't remember. Please give an example and no links. Thanks so much! I should be creating a research question that?A. I can gather information about from multiple sources B. I can just googl and get the answer to in a matter of minutes Sophie has a doll collection with 36 dolls. She decides to sell s dolls to a museum and has r dolls remaining. What is the independent variable? thirWhich section of the Declaration ofIndependence explains how thegovernment is expected to treat itscitizens?Help ResourcesA. Resolution of IndependenceB. List of GrievancesC. Declaration of RightsD. Preamble Car A is traveling east at a steady speed of 40 miles per hour. After 2 hours, it is 95 miles easy of Jhonstown. Car B is traveling east on the same road. its distance of Jhonstown is represented by the graph. If someone gets back too much money at the store, how should they act based on the ethics of duty then? Select the correct answer.John is riding a ski lift to the top of Wildcat Mountain. He removes his gloves and rapidly rubs his hands together to warm them up. Whathappens when John rubs his hands?O A. The skin on his hands rapidly conducts heat, similar to metal.O B. He traps heat between his hands because skin is an insulator. ISO C. The particles In his hands vibrate faster because of friction.O D. Thermal energy moves from his fingertips to his palms.O E. He simulates a fever that'll raise his core body temperature. Suppose that Federal Reserve policy leads to higher interest rates in the U.S. If the U.S. is a closed economy in the short run, real GDP will _________ increase stay the same decrease . If the U.S. is an open economy real GDP will _______ increase stay the same decrease by ________ more than in a closed economy the same amount as in a closed economy less than in a closed economy . Which of the following is not personification? Select one: NO LINKS PLZHer heart is stone.The streets are calling me.Water on the lake shivers.The sunlight danced. The logistics/operations manager of a mail order house purchases two products for resale: king beds (K) and queen beds (Q). Each king bed costs $500 and requires 100 cubic feet of storage space, and each queen bed costs $300 and requires 90 cubic feet of storage space. The manager has $75,000 to invest in beds this week, and her warehouse has 18,000 cubic feet available for storage. Profit for each king bed is $300 and for each queen bed is $150. Which of the following is not a feasible purchase combination?a. 100K - 90Q What is the first step in developing a written argument?Support your claim with logical evidence.Use transition words to make your argument clear. Write a well-developed argument. Organize the ideas in your argument. I've been stuck on this equation for so long! I need help2/3 (9 + x) = - 5(4 -x) compute the distance between (9,-5,4) and (-10,3,4) What kind of question would you ask if you wanted to know the main character of a story? b) Name three substances which can undergo sublimation and deposition respectively Which of the following is a factor in natural selection?A. Individuals of species compete with one another to survive.B. Individuals better able to adapt to changes leave more offspring.C. All species are genetically diverse.D. All of the above.