Which is not a typical property of an acid?
A They react with alkalis producing water.
B They react with all metals producing hydrogen.
C They react with carbonates producing carbon dioxide.
D They turn litmus paper red.

Answers

Answer 1

Answer:

the answer is D acid don't turn paper red.

Answer 2

The one that is not a typical property of an acid is they react with all metals producing hydrogen. The correct option is D.

What is an acid?

A substance that reacts with certain metals to produce salts and releases hydrogen ions into water.

Acids give certain dyes a reddish tint and have a sour flavour. Some body-produced acids, such as stomach acid, can support organ function. Hydrochloric acid is a kind of acid.

Acids and many metals, although not all, interact. As the metal combines with the acid to create a salt, hydrogen gas is created.

Acids and many metals, although not all, interact. As the metal combines with the acid to produce a salt, hydrogen gas is created.

The fact that acids react with all metals to produce hydrogen is the only characteristic of an acid that is unusual.

Thus, the correct option is D.

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Related Questions

What is the purpose of chloroplasts, and why do you think it is missing from the root hair cell?

Answers

Explanation:

Mitochondria are essential parts of many eukaryotes, but they are useless without oxygen. Therefore, chloroplasts are extremely important. They produce breathable air for life. Root hairs are seen to not have chloroplasts as their job is to collect water and nutrients.

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How many volts flow through a current if it has 550 amps and 50,000 watts

Answers

P = IV
V= P/I
V = 50,000/550
V = 90.9

Which energy change is caused by an endothermic chemical reaction?
A. An increase in temperature
B. Absorption of thermal energy
C. Release of light
D. Production of thermal energy

Answers

Answer is B I took the test

The energy change caused by an endothermic chemical reaction is the absorption of thermal energy. So, option B.

What is meant by endothermic reaction ?

Endothermic reactions are defined as, those reactions in which the reactants take in heat energy from the environment to create products.

Here,

The endothermic reactions lower the temperature of their surrounding area, thereby creating a cooling effect.

When bonds in the reactants are broken, more energy is absorbed than is released when new bonds are generated in the products. This is known as an endothermic reaction.

A drop in the temperature of the reaction mixture is a characteristic of endothermic reactions.

In endothermic reactions, the enthalpy of the products of the reaction is greater than that of the reactants. Energy is absorbed from the surroundings.

Hence,

The energy change caused by an endothermic chemical reaction is the absorption of thermal energy.

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in prokaryotic and eukaryotic cells the amount of water in the cell is kept at a steady state. The organelles
through which water passes into and out of cell is the
A) cell membrane
B) cell wall
C) nuclear
D) ribosome

Answers

Answer:

A

Explanation:

It would not be C because prokaryotic cells don't have a nucleus. And if you're looking for a body in the cell that controls the nutrients and water it would be A.

A force is used to lift mass to a height of 8 m does 1040 J of work. How much force is used?

Answers

Answer:

[tex]\boxed {\boxed {\sf 130 \ Newtons }}[/tex]

Explanation:

Work is the energy transferred to or from an object when force is applied to cause displacement. It is the product of force and displacement.

[tex]W=F*s[/tex]

The displacement (s) is 8 meters and the work (W) is 1,040 Joules. Substitute these values into the formula.

[tex]1040 \ J= F* 8 \ m[/tex]

First, let's convert the units. This will make the question easier later on. 1 Joule is equal to 1 Newton meter, so the 1040 J of work equal 1040 N*m.

[tex]1040 \ N*m= F * 8 \ m[/tex]

Since we are solving for the force (F), we must isolate the variable. It is being multiplied by 8 meters and the inverse of multiplication is division. Divide both sides by 8 m.

[tex]\frac {1040 \ N*m}{8 \ m}= \frac{F * 8 \ m}{8 \ m}[/tex]

[tex]\frac {1040 \ N*m}{8 \ m}=F[/tex]

The meters cancel out, hence our earlier unit conversion.

[tex]130 \ N = F[/tex]

A force of 130 Newtons is used.

where is the center of the universe located? and any 16 or older guys on here who are down to talk?? i got a pad we can talk on :) (i'm 17)

Answers

Answer:

the center of the universe is in your mom's stomach. why do I keep seeing people wanting to look for a date. the f. u. c. k.?

What is the galaxy that our solar system is located in?

Answers

Answer:

I think the answer is Milky Way

I hope this Will help you

Please help!!!!! This is for science and I don’t understand

Answers

Answer:

the correct one is B

Explanation:

In this exercise, indicate that crocodiles need a warm climate to survive.

The current climate in the western Colorado region where the temperature is 53ºF (11.7ºC) does not allow them to survive, therefore the appearance of fossil crocodiles and fossil subtropical plants and a clear indication that the climate in these regions was much more warm

when checking the answers the correct one is B

A type of organism that makes its own food. __________
The highest taxonomic classification of organisms.__________
The process through which organisms make new organisms of the same kind. _______
The taxonomic classification below domains._________
A type of organism that is made of more than one cell and is more specialized and eukaryotic.__________
A characteristic passed from female and male parents to their offspring.________

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Answers

Answer:

1. An autotroph

2. Domain

3. Reproduction

4. Kingdom

5. Multicellular Organism

6. Genetic trait

Explanation: Took Bio honors 1 & 2

Which of the following is the combination that is used in the formation of achromatic lenses?
1 point
1 convex and 1 plane mirror
2 convex lenses
1 convex and 1 concave lens
2 concave lenses

Answers

Answer:

convex and 1 plane mirror

Convex one and 1 plane mirror is your answer

given the atomic number,how would you know the number of protons?

Answers

The number of protons in the nucleus of the atom is equal to the atomic number.

The number of electrons in a neutral atom is equal to the number of protons.


Question 1
1 pts
What measures the amount of current flowing through a wire?
A.voltage
B. ampere
C. watt

Answers

B. Ampere

Is ur answer

ampere is the right answer.

please help me please ​

Answers

Answer #1:

Physical.

Explanation:

The only thing mentioned to change is the color. Nothing about the gas in general is changing

Answer #2:

Chemical.

Explanation:

The fact this interacted with another element to completely turn something else rather than just being that color makes this a chemical change.

Answer #3:

Physical

Explanation:

Well, how does an element's density have to do anything with a chemical change?

Answer #4:

Chemical.

Explanation:

Fire/heat is involved, and it makes it change states.

An electric iron consumes energy at a rate of 840 W when heating is at the maximum rate and 360 W when the heating is at the minimum. The voltage is 220 V. What are the current and the resistance in each case?


Don't spam ​

Answers

Answer:

At maximum  the  current is 4A and resistance is 55Ω

At minimum the current is 1.636A and resistance is 134.45Ω

Explanation:

The computation of the current and the resistance in each case is shown below:

At the time when it is heated at max rate,

power, P = 840W

V = 220V

As We know that

P = VI

840 = 220 × I

I = 840 ÷ 220

I = 4 A

Now

R = V ÷ I

= 220 ÷4

= 55 Ω

Hence, the  current is 4A and resistance is 55Ω

At the time When it is heated at minimum rate,

power, P = 360W

V = 220V

As We know that

P = VI

360 = 220 × I

I = 360 ÷ 220

I = 1.636 A

Now

R = V÷ I

= 220 ÷1.636

= 134.45 Ω

Hence, the current is 1.636A and resistance is 134.45Ω

Pls help meh Kdjdjeidjndiejdididjdjjdidjdjdiejd

Answers

Answer:

i think b

Explanation:

i'm not sure

Answer:

I think both pure substance and an element .

hope it is helpful to you ☺️☺️

Suppose a new element with atomic number 120 is discovered.If some isotopes of this element have 122 neutrons and some have 124 neutrons,what can you infer about the atomic mass of the element?Explain you answer.

Answers

Answer:

I assume you are referring to the standard atomic weight of the elements when you write atomic mass. No elements beyond uranium has a standard atomic weight. The reason is explained by the organization assigned responsibility for the assignment of standard atomic weights,the international Union of Pure and Applied Chemistry commission on isotopic abundances and atomic weights.

14. Earth goes around the sun at an astonishing speed of about -hold your breath-107 460 643 meters per second. *
1 point
True
False
15. A car is moving around an oval track at a constant speed of 20km/h. Is it accelerating? *
1 point
True
False

Answers

Answer: 14 speed of Earth around Sun I see 30 km/s. FALSE

15. Because car is in circle track, direction of velocity changes

And car is in accelerating motion. direction of acceleration points to

The centre of the circle. RIGHT

Explanation:

The momentum of a car traveling in a straight line at 20 m/s is 24,500 kg•m/s. What is the cars mass?

Answers

Answer:

p=mv

p=given=24500kg-m/sec

m=?

v=20m/sec

m=p/v

=24500kg-m/sec÷20m/sec

=1225kg=ans

Answer:

1225kg=ans

Explanation:

1.El diámetro del Universo visible es 8,8 x10^26 m El volumen del Universo visible se calcula usando 4/3 Pi radio^3. La densidad del universo visible es 9.9 x 10^-27 Kg/m^3 Calcule la cantidad de materia que hay en el Universo. Use la fórmula Densidad x Volumen = Masa Exprese su respuesta en Kg 2.La masa del sol es 2x10^30 Kg. ¿Cuántas masas solares se necesitan para completar la masa total del universo visible? Exprese su respuesta en gramos

Answers

Answer:

1. La cantidad de materia que hay en el Universo es 3,53x10⁵⁴ kg.

2. Se necesitan 1,8x10²⁴ masas solares para completar la masa total del Universo visible.

Explanation:

1. La cantidad de materia del Universo se puede calcular a través de su volumen (V) y de su densidad (d):

[tex] d = \frac{m_{u}}{V} = \frac{m}{\frac{4}{3}\pi r^{3}} [/tex]

En donde:

r: es el radio = d/2 = 8,8x10²⁶/2 m = 4,4x10²⁶ m

[tex]m_{u}[/tex]: es la masa del Universo =?

d: es la densidad = 9,9x10⁻²⁷ kg/m³      

[tex]m_{u} = d*v = 9,9 \cdot 10^{-27} kg/m^{3}*\frac{4}{3}\pi (4,4 \cdot 10^{26} m)^{3} = 3,53 \cdot 10^{54} kg[/tex]

Entonces, la cantidad de materia que hay en el Universo es 3,53x10⁵⁴ kg.

2. La masa del sol es 2x10³⁰ kg, por lo que para completar la masa total del Universo visible se necesitan las siguientes masas solares:

[tex]N = \frac{m_{u}}{m_{s}} = \frac{3,53 \cdot 10^{54} kg}{2\cdot 10^{30} kg} = 1,8 \cdot 10^{24}[/tex]

Por lo tanto, se necesitan 1,8x10²⁴ masas solares para completar la masa total del Universo visible.

   

Espero que te sea de utilidad!  

A researcher is trying to identify whether household substances are basic. Which approach would BEST help the researcher
investigate whether substances are basic?

A. Test each substance with red litmus paper.

B. Test each substance with blue litmus paper.

C. Observe each substance and record its color.

D. Mix each substance with a weak base and record the results.

Answers

Answer:

a

Explanation:

because red litmus paper turn blues under base or alkaline condition

How fast must a person lift a barbell with a weight of 635 N to a height of 2.43 meters in order to have a power of 482 W

Answers

Answer:

Time = 3.2 seconds

Explanation:

Given the following data;

Weight = 635 N

Height, h = 2.43 m

Power = 482 Watts

To find the time;

Power = mgh/time

But weight = mg = 635

Substituting into the formula, we have;

482 = (635 * 2.43)/time

482 = 1543.05/time

Time = 1543.05/482

Time = 3.2 seconds

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What does mutate mean?

a)Change the DNA of your cells
b) Kill your DNA
c)Kill your cell
d)Change the cell

Answers

Answer:

A

Explanation:

can you please help me with this lab.

Answers

Answer: I really don’t know

Explanation:

A block is attached to the end of a horizontal ideal spring and rests on a frictionless surface. The block is pulled so that the spring stretches relative to its unstrained length. In each of the following three cases, the spring is stretched initially by the same amount. Rank the amplitudes of the resulting simple harmonic motion in decreasing order (largest first). (a) The block is released from rest. (b) The block is given an initial speed . (c) The block is given an initial speed .

Answers

Answer:

The answer is "a, c and b"

Explanation:

Its total block power is equal to the amount of potential energy and kinetic energy.Because the original block expansion in all situations will be the same, its potential power in all cases is the same.Because the block in the first case has no initial speed, the block has zero film energy.For both the second example, it also has the [tex]v_o[/tex] velocity, but the kinetic energy is higher among the three because its potential and kinetic energy are higher.While over the last case the kinetic speed is greater and lower than in the first case, the total energy is also higher than the first lower than that of the second.The greater the amplitude was its greater the total energy, therefore lower the second, during the first case the higher the amplitude.

A hockey puck slides with a constant velocity across a frictionless ice surface. In one paragraph, using your own words, describe the net force on the hockey puck and the observation which allowed you to draw that conclusion.

Answers

Answer:

The net force on the hockey puck is zero because it's acceleration is zero due to constant velocity.

The hockey will remain in it's uniform motion unless compelled by an external force.

Explanation:

[tex]from \: vector \: mechanics \\ a = \frac{dv}{dt} \\ but \: at \: constant \: velocity \\ \frac{dv}{dt} = 0 \\ hence : \: \: a = \frac{0}{dt} \\ a = 0[/tex]

Much of the United States electricity is produced by the use of coal. Starting with the energy radiating from the sun, and ending with the production of electricity, trace the many conversions of the energy involved. Within your response be sure to

• Include the key terms of mechanical, chemical, kinetic, and potential energy.

Answers

Answer:

Chemical energy to heat energy to kinetic energy to electrical energy

A car travels in 300 km in 3 hours. What can be determined?

Answers

Answer: If a car travels 300 km in 3 hours, then it’s speed will will be 100 km/hr. But in practical it depends upon type of car, condition of car, car's maximum speed and also the path in which car is travelling.. Because car can't travel in constant speed of 100 km/hr. So, if car have 120 km/hr as maximum speed than it's minimum speed will be 85–95 km/hr. And so the car travel 300 km in around 5 or 5 and half hours.

the moon doesn't fall to earth because of it's friction?​

Answers

Answer:

The Moon does not fall towards Earth right now because Earth rotates itself. The energy from the Earth's own rotation around its axis is gradually tranferred into energy of the Moon's orbital motion. That's why the Earth's rotating speed decreases but the distance to the Moon increases.

Answer:

I think No since the gravitational force of earth is not eneogh to pull moon to it

a measuring cylinder contains water when put rock level rises what is volume of rock

Answers

Answer:

The volume displacement resulting from the action, minus the original volume.

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Answers

Answer:

answer the question i have asked go to my account

Explanation:

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Answer:

yes you can go on your account

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