QUESTIONS
40. Because stimulants
will be compromised.
your ability to use proper judgment on the road
A. increase your heart rate
B. overload your nervous system
C. slow down your bodily functions
D. usually cause hallucinations
Answer:
B.
Explanation:
Where are the places these minerals are found: Gold, Limestone and kaiolin.
Explanation:
Gold: The Kolar Gold Fields in Kolar used to be one of the major producers of gold in India, before it shut down. Presently the gold mines of Hutti and Raichur produce almost 84 per cent of the country’s gold. The other major centers of gold mining are Dharwad and Chitradurga. The gold mines produce about 3,000 kg’s of gold per annum. The district of Raichur is also famous for its silver deposits.
Limestone: It is another important mineral with an estimated 51,000 million tons. Karnataka has the largest limestone reserve in India. The districts of Gulbarga, Bagalkot, Belgaum, Shimoga and other Uttara Kannada districts are endowed with extensive high grade limestone. The present and consistent production of approximately 14 million tonnes provides for the cement plants in these districts.
China clay (kaolin) consisting dominantly of kaolinite is one of the most sophisticated industrial minerals with a host of applications, viz., in ceramics, refractories, paper coating, filler for rubber, insecticides, cement, paint, textiles, fertilizers and others including abrasives, asbestos products, fibreglass, chemicals, cosmetics, pharmaceuticals, electrical ware, foundry and glass.
The Department of Mining and Geology through their past investigation campaigns in parts of Kerala,identified two major china clay zones viz., the southern china clay zone between Thiruvananthapuram and Kundara (Thiruvananthapuram and Kollam districts) and the northern china clay zone between Kannapuram Madayi -Cheruthazham in Kannur district to Nileswarm - Manjeshwaram in Kasargod district. An estimated reserve of 172 million tonnes (probable reserve of 80 million tonnes and possible reserve of 92 million tonnes) of china clay of sedimentary and residual origin has been arrived at.
Kerala china clay is one of the finest quality clay and is world class. In fact, Kaolin marketed by English Indian Clays Ltd. (EICL), Thiruvananthapuram claims to have similar or even better properties compared to imported clays.
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Mark me as a brilliant
Sn(IV) and Br
chemical formula
can someone please help me:(
Answer:
I think (B) is right answer because here oxygen is a combustible material and combustible is always take place when oxygen is burn
Plants have various levels of organization. At which level of organization are the smallest structures in a plant?
Cellular
Organ
Organism
Tissue
Which is the correct chemical symbol for this atom of helium?
Look at the diagram below, which shows an atom of an element. How many valence electrons does it have? Based on this, would the atom be reactive or unreactive?
1. The number of valence electrons the atom have is seven (7).
2. The atom is reactive
1. How do i determine the number of valence electron in the atom?
Valence electron is simply defined as the number of electron(s) present in the outermost shell of an atom.
Considering the diagram given from the question, the number of electrons in the outermost shell is seven (7).
Thus, we can conclude that the valence electron the atom have is seven (7)
How do i know if the atom is reactive or not?From the diagram given, we determine that the number of valence electrons present is 7. This means that the atom required 1 more electron to complete its octet configuration.
Thus, the atom will be very reactive in order to quickly attain a stable configuration.
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The net force of a vehicle that is accelerating at a rate of 1.5 m/s2 is 1,800 newtons. What is the mass of the vehicle to the nearest kilogram?
Answer:
1.2kg or 1200kg
Explanation:
F = ma
net force = 1,800
m = ??
a = 1.5m/s^2
m = F/a = 1,800/1.5 or 1,800 x 10/1.5 x 10
= 18,000/15 = 1,200kg or 1.2kg
Thanks
Fluorine gas a 300 K occupies a volume of 500 mL. To what temperature should it be lowered to bring the volume to 300 mL?
The temperature should be lowered to 300K to bring the volume to 300mL.
What is temperature?Temperature is the degree of hotness or coldness of a place or a body. The SI unit of temperature is Kelvin.
What is volume?Volume is the amount of space occupied by matter. The SI unit of volume is cubic metre.
Using Charles law,
V1/V2 = T1/T2
Where, V1 and T1 are the initial volume and temperature
Similarly, V₂ and T₂ are the final volume and temperature.
Given:
V1 = 500mL
T1 = 300K
V2 = 300mL
T2 = ?
V1T2/V1 = V2T1/V1
T2 = V2T1/V1
= 300mL x 300K/500mL
T2 = 180K
Hence, the temperature should be lowered to 300K to bring the volume to 300mL.
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Which of the following are solutions?
Choose more than one if needed
1. Gas dissolved in a liquid
2. Liquid dissolved in a liquid
3. Solid mixed with solid
4. Solid dissolved in a liquid
Answer:
3
Explanation:
A solid substance turns directly into a gas. Which term describes this change?
A)deposition
B)evaporation
C)melting
D)sublimation
Given what we know, we can confirm that the correct term to describe the change from a solid into a gas is sublimation.
What is sublimation?Sublimation is the change from a solid-state into a gas state.Most of the time one will first observe the change into a liquid state, however, with sublimation, the change is directly from the solid into the gas, such is the case with dry ice. Dry Ice is frozen carbon dioxide, as it thaws, it changes directly into its gaseous state.Therefore, we can confirm that sublimation describes the process by which an element passes from a solid directly into a gas, without first becoming a liquid.
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Answer:
D. sublimation
Explanation:
Correct on Edge 2022!!!
Good luck everyone, you got this! Have a great day!
Name the gas that the limewater in the flask is testing for.
Answer:
Explanation:
Carbon dioxide is the answer I think.
Hope it helps...
What is a reducing agent?
Answer: Its an element or compound that loses (or "donates") an electron to an electron recipient (oxidizing agent) in a redox chemical reaction.
CREDIT: Wikipedia
Answer:A reducing agent typically is in one of its lower possible oxidation states and is known as the electron donor.
Example: Examples of reducing agents include the earth metals, formic acid, oxalic acid, and sulfite compounds.
How are plate tectonics and the rock cycle connected? Select the best answer from the choices below.
a
The rock cycle keeps the plates from moving too far apart
b
Igneous rocks that form from magma are a major part of the rock cycle
c
The heat from the mantle that fuels plate tectonics also drives the rock cycle
d
Plate tectonics causes sedimentary rocks to turn into metamorphic rocks
How many moles of F2 are required to produced 8.3 moles of HF
A slug travels the length of a log in 2 hours. If the slug's average speed is 1.5 cm / minute how long is the log
Answer:
The length of the log is 180 cm
Explanation:
From the question given above, the following data were obtained:
Time = 2 hours
Speed = 1.5 cm/min
Distance =?
Next, we shall convert 2 hours to minutes. This can be obtained as follow:
1 h = 60 mins
Therefore,
2 h = 2 × 60
2 h = 120 mins
Finally, we shall determine the Lenght of the log. This can be obtained as follow:
Time = 120 mins
Speed = 1.5 cm/min
Distance =?
Speed = distance / time
15 = distance / 120
Cross multiply
Distance = 1.5 × 120
Distance = 180 cm
Therefore, the length of the log is 180 cm
Answer:
180
Explanation:
define a lone pair and give example
Answer:In chemistry, a lone pair refers to a pair of valence electrons that are not shared with another atom in a covalent bond and is sometimes called an unshared pair or non-bonding pair. Lone pairs are found in the outermost electron shell of atoms. They can be identified by using a Lewis structure.
What conversion factor will help solve the problem?
2HgO → 2Hg + O2
How many moles of mercury (II) oxide are needed to make 125 grams of O2
125 g O2 x ___1 mol__O2 x ____________ = mols HgO
32.00 g O2
a
2 mol Hg
1 mol O2
b
216.6 g HgO
1 mol HgO
c
1 mol O2
2 mol HgO
d
2 mol HgO
1 mol O2
Answer:
i fond nothing sooory
pic so PC
What happens with electrons when atoms form covalent bonds?
Answer:
Covalent bonding occurs when pairs of electrons are shared by atoms. Atoms will covalently bond with other atoms in order to gain more stability, which is gained by forming a full electron shell. By sharing their outer most (valence) electrons, atoms can fill up their outer electron shell and gain stability.
Explanation:
How many Zn atoms are there in 4.65 moles of Zn?
atoms
Submit Answer
Retry Entire Group
9 more gra
How can water affect the rock cycle?
Water can cause rocks to break into sediments through mechanical weathering.
Water can cause rocks to be buried deep underground.
Water can cause rocks to melt.
Water can causer rocks to break into sediments through chemical weathering.
Answer:
b
Explanation:
b because it's a physical change
1. Give the best advice on being understanding but kinda flirty to a friend that is a girl.
2. You can add a pickup line. :)
THIS IS AN EMERGENCY.
The plant chemical which absorbs sunlight and helps make cell food is
A.osmosis
B.cellulose
C.vaculoe
D.chlorophyll
Answer:
chlorophyll
Explanation:
Can you use carbon dioxide in the dark
Answer:
If you already have a solenoid, there is nothing wrong with running CO2 with the lights only. It will save CO2, and prevent excessive CO2 levels at night. Some think the CO2 should be up to max levels when the lights go on.
Explanation:
In which of the following groups of ions are the charges all shown
correctly?
Answer:
magnesium and potassium are the group of ions
Explanation:
magnessium has positive charge and pottasium has negative charge
a plane flying at 250 mph for 5 hours. how far did the plane fly?
will give brainliest
Answer: 1250 miles
Explanation:
D=vt
1250 miles= 250mph(5hr)
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Choose all of the examples where there would be an increase in the electric or magnetic force.
Increase the amount of charge on each object
Decrease the distance between the objects
Decrease the charge on one of the objects
Increase the distance between the objects
Increase the mass of the objects
Answer:
1,2,5
Explanation:
I took it on usatesprep
Which of the following is NOT a benefit of
using renewable energy sources?
Answer:
D, They produce fossil fuels
Explanation:
you can't just pull them out of nowhere
1. Cierta muestra fue diluida así: 1 mL MP se agrega 4mL de agua, luego se extrae 0,5 mL y se lleva a 5 mL y de esta última se obtiene 0,2 y se añade 1,3 de diluyente. Calcule la dilución total.
Answer:
1/375
Explanation:
Primero se debe calcular el factor de dilución para cada dilución seriada. Para ello, se divide el volumen de muestra entre el volumen final de la solución diluida.
1) 1 mL en 1 mL + 4 mL = 5 mL
D1 = 1 mL/5 mL = 1/5
2) 0,5 mL en 5 mL
D2 = 0,5 mL/5 mL = 1/10
3) 0,2 mL en 0,2 mL + 1,3 mL = 1,5 mL
D3 = 0,2 mL/1,5 mL = 2/15
La dilución total se calcula como el producto de las diluciones seriadas realizadas:
DT = D1 x D2 x D3 = 1/5 x 1/10 x 2/15 = 1/375
How many ATOMS are in 5 grams of NaCl?
Answer:
2 atoms
Explanation:
Sodium Chloride or NaCl is made up of two elements, sodium (or Na) and chlorine (or Cl). A molecule of sodium chloride, NaCl, consists of one atom each of sodium and chlorine. Hence, each molecule of NaCl has 2 atoms total.
2原子。塩化ナトリウムまたはNaClは、ナトリウム（またはNa）と塩素（またはCl）の2つの元素で構成されています。
There are approximately 3.01 x 10²² atoms in 5 grams of NaCl.
To calculate the number of atoms, we first need to convert the mass of NaCl into moles. The molar mass of NaCl is 58.44 g/mol, which is the sum of the atomic masses of sodium (22.99 g/mol) and chlorine (35.45 g/mol).
Using the formula:
moles = mass / molar mass
we can calculate the number of moles of NaCl in 5 grams:
moles = 5 g / 58.44 g/mol ≈ 0.0857 mol
Next, we need to use Avogadro's number, which is approximately 6.022 x 10²³ atoms/mol, to convert moles into atoms.
Number of atoms = moles x Avogadro's number
Number of atoms = 0.0857 mol x 6.022 x 10²³ atoms/mol ≈ 5.16 x 10²² atoms
Therefore, there are approximately 3.01 x 10²² atoms in 5 grams of NaCl.
It's important to note that this calculation assumes that all the NaCl is fully dissociated into its constituent atoms, which may not be the case in all situations.
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