please help me..........​

Answer:

Scoop a soil sample into a fresh container, add 1/2 cup of water, and mix. Then, add 1/2 cup of baking soda. If the soil bubbles or fizzes, the soil is acidic. The reaction you're seeing is the result of acidic soil coming into contact with an alkaline substance (baking soda).

Explanation:

Hope this helped!

Answer:

molecule

Explanation:

A molecule is formed from two or more atoms

Answer:

P₂ = 28.12 KPa

Explanation:

Given data:

Initial temperature = 295 K

Final temperature= 395 K

Initial pressure = 21.0 KPa

Final pressure = ?

Solution:

According to Gay-Lussac Law,

The pressure of given amount of a gas is directly proportional to its temperature at constant volume and number of moles.

Mathematical relationship:

P₁/T₁ = P₂/T₂

Now we will put the values in formula:

21.0 KPa / 295 K = P₂/395 K

P₂ = 21.0 KPa× 395 K / 295 K

P₂ = 8295 KPa. K /295 K

P₂ = 28.12 KPa

Answer:

10 copper moles per copper

Answer:

Uh do you have a picture that can help us answer this question...

Explanation:

They vibrate slower.

Answer:

true

Explanation:

Answer:

The correct answer is 671nm because if you multiply 4.47 times 1014 Hz the answer would be 671nm.

Explanation:

Answer:

A. 671 nm

Explanation:

A P E X

Answer:

i think is c,my ans will not be 100%correct

Answer:

Erosion

Explanation:

Abrasion is a process of erosion which occurs when material being transported wears away at a surface over time. It is the process of friction caused by scuffing, scratching, wearing down, marring, and rubbing away of materials. ... Objects transported in waves breaking on coastlines cause abrasion.

Answer:

yes tomato juice is a solution. because it is homogenous mixture and it's ingredient dissolve in water.

Solutions are made of a solute and a solvent. Tomato juice is solution since it contains the tomato pulp and water which can be mixed well.

A solution is a combination of a soluble or insoluble salt and a solvent like water. There are homogenous solutions and heterogenous solutions. In  the homogenous solutions the solute is completely soluble in the solvent and both exists in one phase.

In heterogenous solutions, the solute form a different phase from the solvent and appear immiscible. The components can be mixed well using stirring methods.

Tomato juice is made by the tomato pulp and water. The pulp and water is mixed well to form the juice and it appear to be one solution

Therefore, tomato juice can be considered as a solution.

To learn more about solutions, refer the link below:

https://brainly.com/question/1416865

#SPJ5

Answer: The niche of an organism is the role it plays in it's environment. With the giraffe's long neck, it doesn't have to compete with others and therefore lives harmoniously with other animals! (^-^)

Hope this helps!

Answer:

Autotrophic or Producers

Explanation:

They are often called producers because they make their own food.

Answer: Solar eclipse

Explanation:

Answer:

An alloy is a combination of metals or metals combined with one or more other elements. For example, combining the metallic elements gold and copper produces red gold, gold and silver becomes white gold, and silver combined with copper produces sterling silver. Elemental iron, combined with non-

Explanation:

that's what an alloy is all the rocks including gold silver combined with copper  and sterling silver

Answer:

geruow0irghvn3p0unhie0ghik

Explanation:

Answer:

17 atoms are in 3(SO)4

Explanation:

Answer:

Carbon Dioxide?

Explanation:

When we take a breath, we pull air into our lungs that contains mostly nitrogen and oxygen. When we exhale, we breathe out mostly carbon dioxide.

A wave is a  disturbance that transfers energy through a medium. There

are types of  such as sound and light waves.

A wave involves the transfer of energy such as sound, light waves etc

through a medium. The medium could be through liquids , solids or air and

they have characteristic waves which pass through them.

When a wave transfers energy through a medium, the matter involved

doesn't experience any type of movement.

Read more on https://brainly.com/question/19210453

Answer:

C

Explanation:

You climbing the water slide gives you potential energy and your building gravitational eneergy.

When we climb the top of a water slide we are gaining gravitational kinetic energy. That is we are moving through the surface and thus we experience both kinetic energy and gravitational energy.

Kinetic energy of a body is generated by virtue of its motion. Gravitational energy is a form of energy by which the an object attracts other object to its center of mass. Both forms of energy are  directly proportional to the mass of the object.

Potential energy is generated by virtue of  the position and height of the object. As the height from surface increases, potential energy increases. Potential energy and kinetic energy together called as mechanical energy of an object.

When starts moving our potential energy is converting to kinetic energy. Hence, when we climb the top of a water slide kinetic energy starts to increase. Thus, option A is correct.

To find more on kinetic energy, refer here:

https://brainly.com/question/26472013

#SPJ2

Answer:

safety shower

Explanation:

its on his body, not his eyes, and fire safety wont help here.

Answer:

phenylalanine, threonine, tryptophan, and valine. Srry I have these memorized.

Answer:

At nine, it can still count as neutral.

Explanation:

The ph scale goes from 0 (acid) to 14 (alkaline/base). The middle would be seven, which is neutral. Nine has more alkalinity than a true neutral, but I believe it is close enough to the middle to not count as a base.

Triple point is that temperature, at which the substance is found in all three states i.e. solid, liquid and gas. Every substance has different triple point, because Triple point is just above the freezing point and each substance has different freezing and boiling point.

Water has a Melting point or Freezing Point (MP or FP) of [tex]0^0[/tex] C or 273K and Boiling point (BP) [tex]100^{0}[/tex] C or 373 K. Since the triple point is just above the MP or FP thus Triple Point of water is [tex]0.01^{0}[/tex]C or 273.16K.

Answer:

0.01 degrees centigerade

Explanation:

Answer:

1

Explanation:

Answer:

The answer is "[tex]\bold{90.62 \ g \ C_3H_8}[/tex]".

Explanation:

Write a balanced thermochemical formula for both the combustion with one mole of [tex]C_3H_8[/tex]

[tex]C_3H_8\ (g) +5 O_2 \ (g)\longrightarrow 3 CO_2 \ (g) +4H_2O \ (l)\ \ \ \ \ \ \ \ \Delta H_{comb} = -2219 \frac{kj}{mol}[/tex]

Calculating the molar mass of [tex]C_3H_8[/tex] .  

[tex]3 (12.0107 \frac{g}{mol}) +8 (1.0079 \frac{g}{mol})= 44.0953 \frac{g}{mol}[/tex]

1) Start with both the energy released.  

2) Just use molar enthalpy of [tex]C_3H_8[/tex]  as just a balanced equation to transfer kilojoules to birthmarks of [tex]C_3H_8[/tex] .  

3) It use molarity of [tex]C_3H_8[/tex]   as a balanced equation to transfer caterpillars of [tex]C_3H_8[/tex]  to ounces of [tex]C_3H_8[/tex] .

[tex]= -4560 \ kJ \ \ \ \ \frac{1 \ mol C_3H_8}{-2219 \ kJ} \ \ \ \ \frac{44.0953 \ g \ C_3H_8}{1 \ mol \ C_3H_8}\\\\ = 90.62 \ g \ C_3H_8[/tex]

Answer:

its c hope this helped;)

Explanation:

Answer: NaCl

Explanation:

Here You Go :)