______ typically feel slippery when touched. Acids

Bases

Salts

Neutral solutions

Answers

Answer 1

Answer: Bases

The common example of it is soap. We use it as cleaning agents and medication like milk of magnesia.

Related Questions

Which statement best describes the conductivity of weak electrolytes, such as weak acids and bases?A) Weak electrolytes do not dissolve in water and can not conduct electricity. B) Weak electrolytes dissolve and partially dissociate in water providing charged ions to conduct electricity. C) Weak electrolytes dissolve and completely dissociate in water providing charged ions to conduct electricity. D) Weak electrolytes dissolve and does not dissociate in water providing no charged ions to conduct electricity.
Using the atomic masses and relative abundance of the isotopes of nitrogen given below, determine the average atomic mass of nitrogen. N-14: 14.003 amu; 99.63% N-15: 15.000 amu; 0.37%
Why is tin foil a good insulator
Mg(s) + 2HCl(aq) mc019-1.jpg H2(g) + MgCl2(aq)What is the most likely effect of an increase in pressure on this reaction?The reactant surface area increases.The reaction rate decreases.The reaction is not affected at all.The reaction stops completely.
N which phase(s) of matter are the atoms closely packed but still able to slide past each other?gasliquidsolid and gasliquid and solid

When star A runs out of fuel, it explodes in a supernova and becomes a neutron star. When star B runs out of fuel, it contracts to become a white dwarf. Based on this information which of the following conclusions is most likely true:A. Star A had a larger mass than star B
B. For most of its life cycle, star A appeared substantially brighter than star B from earth
C. For most of its life cycle, star B appeared substantially brighter than star A from earth

Answers

Only five supernovae have ever been documented as being visible to the unaided eye, with two of those believed to be core-collapse supernovae. Thus, option B is correct.

What is are the process of supernova formation?

Iron atoms are compressed so closely together that the nuclei's repelling forces cause the squeezed core to recoil, which causes the star to go supernova and generate a massive, superheated shock wave.

A supernova explosion takes place in a star over the course of just 100 seconds. A star that experiences a supernova explosion dies and leaves behind a neutron star or a black hole as a remnant.

The largest explosion that mankind have yet witnessed is a supernova. Each explosion is the incredibly bright, incredibly potent explosion of a star. The largest explosion that mankind have yet witnessed is a supernova.

Therefore, For most of its life cycle, star A appeared substantially brighter than star B from earth

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B. for most of its life cycle, star A appeared substantially brighter than star B from earth

For a particular reaction, ΔH = -144.6 kJ and ΔS = -301.2 J/K. Calculate ΔG for this reaction at 298 K.

Answers

The Gibbs free energy change for this reaction at 298 K is approximately -54,484.8 J.

Determining the Gibbs free energy change

Calculating the Gibbs free energy change (ΔG) for a reaction at a given temperature using the Gibbs-Helmholtz equation,

ΔG = ΔH - TΔS

ΔG = (-144,600 J) - (298 K)(-301.2 J/K)

ΔG = -144,600 J + 90,115.2 J

ΔG = -54,484.8 J

Converting to kilojoules:

ΔG = -54,484.8 J / 1,000

= -54.48 kJ

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To calculate, I would need to know if the final answer is supposed to be in kJ or in J/K.

Either way, use the Gibb's Formula:
ΔG= ΔH-TΔS

If the final answer is supposed to be in J/K then plug-in your values to the formula and simply solve.

However, if your final answer is supposed to be in kJ, your first step would be to convert ΔS from J/K into kJ.

This is simply done by dividing the given ΔS by 1000 ----> (-301.2/1000).
(we divide by 1000 because by definition that's what a "kilo" is )

New ΔS value= -0.3012 kJ

Now all you have to do is plug-in all the values into the formula.
ΔG= ΔH-TΔS
ΔG= (-144.6 kJ) - 298K(-0.3012kJ)
= -54.84 kJ

Since the ΔG is negative, this means that the reaction is spontaneous.

Hope this helps! :)

. A solution is prepared by dissolving 23.7 g of CaCl2 in 375 g of water. The density of the resulting solution is 1.05 g/mL. The concentration of CaCl2 in this solution is __________ molar. a. 0.564
b. 0.571
c. 0.569
d. 0.537
e. 0.214

Answers

Answer:

The concentration of CaCl2 in this solution is 0.564 molar (option A)

Explanation:

Step 1: Data given

Mass of CaCl2 = 23.7 grams

Mass of water = 375 grams

Density of solution is 1.05 g/mL

Step 2: Calculate total mass

Total mass = mass of CaCl2 + mass of water

Total mass = 23.7 grams + 375 grams = 398.7 grams

Step 3: Calculate volume of the solution

Density = mass / volume

Volume = mass / density

Volume = 398.7 grams / 1.05 g/mL

Volume = 379.7 mL = 0.3797 L

Step 4: Calculate moles CaCl2

Moles CaCl2 = mass CaCl2 / molar mass CaCl2

Moles CaCl2 = 23.7 grams / 110.98 g/mol

Moles CaCl2 = 0.214 moles

Step 5: Calculate concentration

Concentration of CaCl2 = moles / volume

Concentration of CaCl2 = 0.214 moles / 0.3797 L

Concentration of CaCl2 = 0.564 mol / L = 0.564 molar

The concentration of CaCl2 in this solution is 0.564 molar (option A)

Stained glass can be useful for _____________________a. transmitting light and displaying colorful images.
b. churches to draw in new patrons who want to view its beauty from inside.
c. reflecting and absorbing light, as well as displaying colorful images.
d. creating mirrored images of light and colors on the surrounding walls of a religious structure.

Answers

Stained glass can be useful for churches to draw in new patrons who want to view its beauty from inside.

What is stained glass?

Stained glass is defined as a glass material which is made colored by means of adding metallic salts during the manufacturing process which imparts color to the glass.

These are used in many decorative purposes like decorating windows . The colors are imparted to the glass by mixing metal oxides into the colorless glass in its melted state.Sometimes fusion of a colored glass with a plain glass to make a stained glass is also used.

Stained glass is also prepared by glass paint where in streaks are introduced in glass by means of light firing in a furnace or a kiln.Silver stain is a range of compounds where in silver compound are mixed with binding substances and then applied to surface of glass,which are then fired in a furnace or in a kiln.

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A. transmitting light and displaying colorful imaged.

2. The process of splitting an atom into two lighter atoms is calledOA. nuclear separation.
OB. nuclear fusion.
C. nuclear fission.
OD nuclear disintegration.

Answers

option 2:OB.nuclear fission

its c................................................................................

William finds a piece of pure iron in his garden. After a few days, the iron begins to rust. What are the two types of substances involved in the rusting process of iron? Iron is with one kind of atom that combines with oxygen from the air to form rust (iron oxide). Rust contains two types of atoms, which means it is .

Answers

Answer:

Iron
Oxygen

Explanation:

Rusting of iron occurs during the reaction of iron and oxygen in the presence of moisture to form hydrous iron (III) oxide, which is a reddish brown substance.

By virtue of this, the atoms which are reactants in the redox reaction would e oxygen and iron.

I hope this was clear and easy to understand.

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an element

a compound

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Kinetic energy is _____.inversely proportional to mass and velocity directly proportional to mass and velocity directly proportional to mass and inversely proportional to velocity inversely proportional to mass and directly proportional to velocity