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stealth61 [152]
3 years ago
9

Is ammonia an alkali or base?​

Chemistry
1 answer:
Alchen [17]3 years ago
6 0
Ammonia is a weak base because its nitrogen atom has an electron pair that readily accepts a proton.
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Using the diagram above answer the following questions:
Bas_tet [7]

A) solid

B) liquid

C) gas

D) Shows the temperature and pressure conditions under which a solid water and water vapor can co exist

E) liquid

8 0
4 years ago
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Which of the following statements best compares geothermal energy and the energy from natural gas based on their rates of renewa
pentagon [3]

Answer: Natural gas has a faster rate because, being a carbon resource, it quickly replenishes as part of the carbon cycle.

Explanation:

Natural gas is a natural gas which consists of mixtures of hydrocarbons. It is primarily composed of methane, alkanes, small percentage of nitrogen, hydrogen sulfide, helium and carbon dioxide.  

Being a carbon source it can be replenished easily due to decomposition of organic matter generated after the decomposition of dead animal and plant matter.  

The geothermal energy can be define as the energy obtained from the hot springs it includes the water that includes the thermal energy generate through heat present in the geosphere.  

Although the geothermal energy is the renewable source of energy but the time and period of it's generation remains unknown from the hot spring. Therefore, the rate of renewal of energy of natural gas is faster than the geothermal energy.

5 0
4 years ago
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How many grams of barium sulfate form when 35. 0 ml of 0. 160 m barium chloride reacts with 58. 0 ml of 0. 065 m sodium sulfate?
Mama L [17]

The barium sulfate formed is 1.57 grams

The chemical reaction as

BaCl2 + Na2SO4 → 2NaCl + BaS04

The given date is

35 ml of 0.160 barium chloride

58 ml of 0.065 m sodium sulfate

35 ml of barium chloride = 0.0350 liters

58 ml of sodium sulfate = 0.050 liters

moles of barium chloride = 0.0160 / 0.0350

                                          = 0.4571 mol

moles of sodium sulfate = 0.065 / 0.058

                                        = 1.120

Barium sulfate =  moles of barium chloride + sodium sulfate

                        = 0.4571 + 1.12

                        = 1.57 gram

Hence the gram of barium sulfate formed is 1.57 gram

Learn more about the moles on

brainly.com/question/14783710

#SPJ4

7 0
2 years ago
What is the net cell reaction for the cobalt-silver voltaic cell? express your answer as a chemical equation?
slava [35]

Answer: The net ionic equation for the cobalt-silver voltaic cell is Co(s)+3Ag^+(aq.)\rightarrow Co^{3+}(aq.)+3Ag(s)

Explanation: In cobalt-silver voltaic cell, one half of the cell consists of cobalt electrode immersed in Co(NO_3)_3 solution ( which means that Co^{3+} are present in the solution) and other half of the cell consists of the Ag electrode immersed in AgNO_3 solution ( which means that Ag^+ is present in the solution)

The two electrodes are joined by the copper wire. The cobalt electrode acts as an anode and the silver electrode acts a  cathode.

At anode, oxidation reaction takes place and at cathode, reduction reaction takes place.

At Anode :                    Co(s)\rightarrow Co^{3+}(aq.)+3e^-

At Cathode:                   [Ag^+(aq.)+e^-\rightarrow Ag(s)]\times 3

Net ionic equation:   Co(s)+3Ag^+(aq.)\rightarrow Co^{3+}(aq.)+3Ag(s)

6 0
3 years ago
A 0.239 gram sample of a gas in a 100-ml flask exerts a pressure of 603 mm Hg at 14 Celsius. What is the gas? (Hint: don’t forge
AlekseyPX

Answer:

A) chlorine

Explanation:

To solve this question we can use:

PV = nRT

In order to solve the moles of the gas. With the moles and the mass we can find the molar mass of the gas to have an idea of its identy:

PV = nRT

PV / RT = n

<em>Where P is pressure: 603mmHg * (1atm / 760mmHg) = 0.7934atm</em>

<em>V = 100mL = 0.100L</em>

<em>R is gas constant = 0.082atmL/molK</em>

<em>T is absolute temperature = 14°C + 273.15 = 287.15K</em>

0.7934atm*0.100L / 0.082atmL/molK*287.15K = n

3.37x10⁻³ moles of the gas

In 0.239g. The molar mass is:

0.239g / 3.37x10⁻³ moles = 70.9g/mol

The gas with this molar mass is Chlorine, Cl₂:

<h3>A) chlorine </h3><h3 />

6 0
3 years ago
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