An object is either copper or brass. The density of copper is 8.96g/ml. The density of brass is 8.73g/mL. I find that my object is 10.08
and has a volume of 1.15mL. What is my object made of?
Your answer:
O Copper
O Brass
O Cannot tell from the information given

Answers

Answer 1
I like pp hehehehehe hehhe
Answer 2
Penis in my butt.......

Related Questions

How do you convert in the metric system?

Answers

Answer:

To convert among units in the metric system, identify the unit that you have, the unit that you want to convert to, and then count the number of units between them. If you are going from a larger unit to a smaller unit, you multiply by 10 successively. If you are going from a smaller unit to a larger unit, you divide by 10 successively

Explanation:

hope it helps

The hottest place in California is Death Valley with a record temperature of 130 ⁰F. Calculate the temperature in ⁰C and K.

Answers

Answer:

54.(4)° C (the 4 in the parentheses means the 4 goes forever), 327.594°K

Explanation:

When you convert 130°F to °C, you will get 54.(4)°C, and the 4 in the parentheses goes forever, and 130°F to °K is 327.594°K, hope it helps!

BRAINLIEST
What type of bond is Cu and F Ionic or Covalent? ​

Answers

An ionic bond because it is between a non-metal and a metal. I hope this helps!

moles in 9.01x10^23 molecules water

Answers

Answer:

The answer is 1.50 moles

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

[tex]n = \frac{N}{L} \\ [/tex]

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

[tex]n = \frac{9.01 \times {10}^{23} }{6.02 \times {10}^{23} } = \frac{9.01}{6.02} \\ = 1.496677740...[/tex]

We have the final answer as

1.50 moles

Hope this helps you

Answer: 1.50 moles

Explanation:

Helpppp
4. This group of substances tend to be malleable, ductile, and have relatively high melting points.
They are
(2 Points)
A.noble gases
B.nonmetals
C.metals
D.halogens

Answers

Answer:

The answer is metals

Which two systems does the nervous system work with to direct behavior
and movement? *
O digestive and respiratory
muscular and skeletal
O excretory and digestive
circulatory and digestive

Answers

The muscular and skeletal system because we use our brain to move our body it sends a signal to move that muscle that we want to use

To solve this we must be knowing each and every concept related to nervous system. Therefore, "the muscular and skeletal system " is the correct option.

What is nervous system?

The nervous system serves as a link between the environment and the organism's interactions. The nervous system coordinates actions or sensory information by sending and receiving signals to and from various sections of the body.

The peripheral and central systems are the two sections of the nervous system. They aid in the appropriate step-by-step coordination of the many physical reactions and communications from the parts of the body to the brain and back. The muscular and skeletal system, the nervous system work with to direct behavior and movement.

Therefore, "the muscular and skeletal system " is the correct option.

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If an unknown sample contains 39.04% sulfuric acid by mass, then a 0.9368 g of that sample would require _____ mL of 0.2389 M NaOH for neutralization.
A) 31.22
B) 39.98
C) 7.80
D) 79.96
E) 15.61

Please give an answer and an explanation, thanks!

Answers

Answer:

A) 31.22

Explanation:

The reaction of sulfuric acid with NaOH is:

H₂SO₄ + 2 NaOH → Na₂SO₄ + 2H₂O

To solve this problem we need to determine the moles of acid that will react, and, using the chemical equation we can determine the moles of NaOH and the volume that a 0.2389M NaOH solution would require to neutralize it.

Moles H₂SO₄ (Molar mass: 98.08g/mol):

0.9368g * 39.04% = 0.3657g H₂SO₄ * (1mol / 98.08g) =

3.7289x10⁻³moles H₂SO₄

And moles of NaOH that you require to neutralize the acid are:

3.7289x10⁻³moles H₂SO₄ * (2 moles NaOH / 1 mole H₂SO₄) =

7.4578x10⁻³ moles NaOH

Using a 0.2389M NaOH solution:

7.4578x10⁻³ moles NaOH * (1L / 0.2389mol) = 0.03122L = 31.22mL

Right answer is:

A) 31.22

does anyone know how to do the alien periodic table im stuck and cant go furhter

Answers

Answer:

The answers that I drew in blue are for the first part then it will say click a nonmetal or something which is the one I drew in Red.

Explanation:

Hope this helps

A student found a 500 cm3 sample of vinegar. Knowing that vinegar is a solution of ethanoic acid (CH3COOH) and water, this student decided to take a 25.0 cm3 sample, dilute it with 25.0 cm3 of water and then react it with sodium hydroxide. The dilute sample required 37.0 cm3 of 0.850 mol dm–3 sodium hydroxide solution to react entirely with it via the following reaction:

CH3COOH(aq) + NaOH(aq) → NaCH3COO(aq) + H2O(l)

Calculate the concentration of ethanoic acid in the original sample of vinegar.

Answers

Answer:

1.26mol/dm3

Explanation:

Which one of the following is the symbol used in a chemical equation for a
gas?
A. (g)
B. (aq)
C. (gas)
D. (a)

Answers

Answer:

A. (g)

Explanation:

Since it asks for a gas, it is A.

Answer:

A (g)

Explanation:

Which element would you expect to have the largest radius based on the Periodic Table?
Lead
Selenium
Chlorine

Answers

Answer:

Lead

Explanation:

As you move down the periodic table, the elements get larger and gain additional electron shells, increasing the radius.  In order, they are on the table as Chlorine, Selenium, Lead.

experimented with oil and water layers in 1917. He proposed that the
in the oils pointed away from the water
• A. Charles Overton, phosphate heads
. B. Irving Langmuir, fatty acid chains
• C. Hugh Davson, proteins
. D. Gregor Mendel, fatty acid chains

Answers

Answer:

Irving Langmuir, Fatty Acid Chains

Explanation:

The man that experimented with oil and water layers in 1917 and also proposed that the ________  in the oils pointed away from the water is:

B. Irving Langmuir, fatty acid chains

Irving Langmuir was an American scientist who was interested in the fields of Chemistry, Physics and Engineering. He won an award in Chemistry for his contributory research in surface chemistry.

He made an experiment with oil and water layers in the year 1917 and he made the claim that the fatty acid chains in oils always pointed away from tje water in which they were immersed in.

Therefore, the correct answer is option B

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Which has the longest wavelength?
Which has the highest frequency?

Answers

Answer:

Which has the longest wavelength?

✔ microwaves

x infrared

x visible

x X-rays

Which has the highest frequency?

✔ X-rays

x infrared

x microwaves

x visible

Explanation:

I apologize if this was a late answer or if this doesn't answer your original question, but hope this helps! :)

Answer:

Microwaves then X rays

Explanation:

What is the volume of a box that has a length of 5 cm a width of 7 cm and a height of 9 cm

Answers

Answer:

V = L × w × h

V = 5 × 7 × 9

V = 315 cm³

In order for radiation to transfer heat

Answers

Answer:

Radiation is a method of heat transfer that does not rely upon any contact between the heat source and the heated object as is the case with conduction and convection. Heat can be transmitted through empty space by thermal radiation often called infrared radiation. This is a type electromagnetic radiation

Answer:

Heat can be transmitted through empty space by thermal radiation often called infrared radiation

Explanation:

Brainliest???? Plzzz!!!

Jimmy's science textbook reflects blue light. What color is the book?

Answers

I’m not sure but i think blue

Elements in group 16 of the periodic table usually

Answers

Answer:

The oxygen family, also know as the chalcogens, consists of the elements found in Group 16 of the periodic table and is the main group elements.

Elements: oxygen, sulfur, selenium, tellurium and polonium.

Hope this helps! :D

WILL GIVE YOU BRAINLIEST!!!

which option is an example of a chemical property?
A ability to decompose

B color

C melting point

D density

which option is an example of a chemical property

A boiling point

B reactivity

C color

D density

Answers

Answer:

A ability to decompose

B reactivity

Explanation:

Chemical properties are those properties that tell us about what a substance can do as regards to whether or not the substance reacts with other substances.

Examples are flammability, rusting of iron, precipitation, decomposition of water by an electric current.

The ability to decompose and reactivity are chemical properties of a substance.

Physical properties tells us everything about what a substance is when no change is occurring to its constituents. Examples are state of matter, color, odor, taste, texture, hardness e.t.c

Answer:

1. A

2. B

Explanation:

Chemical property does change the composition of a substance.

I took the test before. I got all the answer correct and got 100% score.

You can see my other article just search in search engine with: Learningandassignments diy4pro

Click on my site and find these related article post:

Learning Properties of Matter Quiz Unit 2 Lesson 11 Grade 8

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The amount of kinetic energy an object has depends on which feature of the object?

Answers

Answer:

mass

Explanation:

The amount of kinetic energy an object has, depends on its mass and its speed.

Answer: motion

Explanation:

I just took the quiz in edging

Identify the atom
H₄
CH₄
N

Answers

Answer:

Organic Molecule.

Explanation:

Any molecule with C atoms and H atoms are organic molecules in chemistry.

Examples could be C₄H₅, C₉H₁₈O₆, C₅H₁₂N.

Which is a chemical property of oxygen?

1.It reacts with iron to form rust.
2.It is a gas at room temperature.
3.It expands when heated.
4.It combines to form O 2 molecules.

Answers

Answer: I think the answer is 1

i just learned this about two weeks ago

Explanation:

pleaseee help.....ASAP
will mark branliest!!
and give extra points!

Answers

Answer:

C

Explanation:

All three can become negative versions: negative ions

Answer:

It is going to be D because Group 1 A and 2 A are s block elements which are METALS, also they are not halogens as the 7 A group is called halogens, Plus they give +1 oxidation state so Correct answer is D as they are group 1 A elements so they have only one valence electron in their valence shell

Question 5 (4 points)
One type of dipole-dipole force found in water is

A. ion-ion attraction
B. hydrogen bonds
C. dipole-ion bonds
D. molecular bonds

Answers

Answer:

B. Hydrogen bonds.

Explanation:

The dipole dipole force that is found in water is hydrogen bonds.

I WILL GIVE U BRAINLIEST IF U HELP ME!!!!!

Answers

Answer:

your awnser is B cutting back

.What threatens the newly hatched chicks?

Answers

Answer:

rats. that's all i know of Just about everything except the mother hen if they are natural hatch. Even when you incubate them there are threats. The healthy chicks will mob the weak ones, the older chicks (even by a day) will pick on the younger ones. Temperature extremes will threaten them as they need warm, humid conditions with gradual drops in surrounding temps in the brooder box. Early disease is sometimes a problem and all chicks should be started on medicated chick feed for the first few weeks to prevent several digestive diseases. Even the water dispenser can be a threat as newly hatched chicks will immerse themselves in an open water container so care should be taken to supply water in a self feeding covered dish.

Explanation:

Answer:

im pretty sure its just rats and the mother hen if the chick isn't healthy

Explanation:

Calculate the volume of a rock that has a mass of 24 g and a density of 8 g/mL

Answers

Answer:

24g÷8g/ml=3

volume =3

How does an increase in thermal energy influence the particles of the reactants in a chemical reaction?
Group of answer choices

it increases the chance of particles being properly aligned by increasing the number of collisions

it decreases the number of particle collisions

it increases the number of collisions by speeding up the particle motion

Answers

Answer:

the last one it increases number of collisions by speeding up the particle motion

Explanation:

the more thermal energy something it has the faster particles move

A sample of matter is made up of three different atoms that are chemically combined. What
type of matter is it? How do you know?

Answers

Answer:

liquid

Explanation:

a molecule consists of different atoms chemically combined. A molecule is also a liquid. Molecules make up ice cubes, which are also small water particles which arr yet again liquid.

DNA and RNA have base pairs that form hydrogen bonds with complementary bases. The DNA molecule shown contains adenine, cytosine, guanine, and thymine. Which base does RNA not have?
A) Thymine B) Adenine C) Guanine D) Cytosine

Answers

Answer:

Thymine

Explanation: I took the test

The DNA molecule shown contains adenine, cytosine, guanine, and thymine. The base that RNA does not have is Thymine. The correct option is A.

What are DNA and RNA?

DNA and RNA both are genetic materials, and they both represent the genetic material of living organisms. All animals contain DNA in their body. Some plants or bacteria contain RNA as genetic material.

DNA and RNA both contain bases that are attached with a hydrogen bond. These bases are adenine, cytosine, guanine, and thymine. In RNA, the same bases are present.

In RNA, in place of thymine, there is uracil present. Uracil and adenine are joined together with a hydrogen bond. Cytosine and guanine are present together with a hydrogen bond.

Thus, the correct option is A.Thymine, regarding the base present RNA.

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Sodium has______ Valence electrons and bismuth has ________ electrons


Please help ASAP on market as brainlister

Answers

Answer:

Sodium has 1 valence electron and bismuth has 83 electrons (5 valence electrons)

Explanation:

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