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beks73 [17]
3 years ago
6

if a car which is moving in a straight line streasily increases its speed from 50 kph to 60 kph in 10 minutes what is its accele

rtion?using given,asked,formula,solution, answer
Chemistry
1 answer:
VladimirAG [237]3 years ago
3 0
A=dv/ dt
a=(v2-v1)/(t2-t1)
a=(60-50)/(10-0)
a=10/10
a=1

it's acceleration is 1 km/s^(2) or 1000 m/s^(2)

Hope I can help u
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FeSO4(aq) + K3PO4 (aq) —>
ch4aika [34]

An ionic equation is a chemical equation in which the electrolytes in aqueous solution are described as dissociated ions.

<h3>What is the difference between ionic equation and net ionic equation?</h3>
  • A complete ionic equation also contains the spectator ions, whereas a net ionic equation just displays the chemical species that are involved in a reaction.
  • A molecular formula has two or more atoms bonded together, whereas a chemical formula can only refer to one atom. They are both elements, and their chemical symbols are unchanged.
  • An ionic equation is a chemical equation in which the electrolytes in aqueous solution are described as dissociated ions. It is similar to a molecular equation in that it expresses compounds as molecules.

3FeSO4(aq) + 2K3PO4(aq) = Fe3(PO4)2(s) + 3K2SO4(aq)

ionic equation : 3Fe(2+)(aq) + 3SO4(2-)(aq)+ 6Na(+)(aq) + 2PO4 (3-) (aq) → Fe3(PO4)2(s)+ 6Na(+) + 3SO4(2-)(aq)

net ionic equation: 3Fe(2+)(aq)  + 2PO4 (3-)(aq) → Fe3(PO4)2(s)  

K2CO3(aq) + CdI2(aq) = 2KI(aq) + CdCO3(s)

net ionic equation for K2CO3(aq) + CdI2(aq) = 2KI(aq) + CdCO3(s).

2HNO3 + CaCO3 = Ca(NO3)2 + H2O + CO2

ionic equation :  CaCO3(s) + 2H+(aq) → Ca2+(aq) + CO2(g) + H2O()

To learn more about :   Ionic equation

Ref :  brainly.com/question/19705645

#SPJ13

5 0
1 year ago
Two pieces of iron with the different masses - 500 g and 1000 g - both have 4.5 kJ of energy added to them.
jok3333 [9.3K]

Answer:

1000g

Explanation:because the higher mass takes up heat.

3 0
3 years ago
What best describes the outer shell of the atoms in group d on this illustration of the periodic table?.
Lubov Fominskaja [6]

The outer shell of the atoms in group D of the periodic table consists of elements whose outermost shell is full

Their outermost shell consist of elements with valence electrons

The group D elements are found in between S and P blocks of the periodic table

<h3>What is an element?</h3>

An element is a substance which cannot be split into simpler units by ordinary process.

Few examples of elements which belongs to group D include the following:

  • Scandium
  • Titanium
  • Vanadium
  • Chromium
  • Manganese
  • Iron
  • Nickel
  • Copper
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Learn more about elements:

brainly.com/question/14514242

5 0
3 years ago
Determine if the following compounds are likely to have ionic or covalent bonds. a. Magnesium oxide (MgO) _______________ b. Str
nika2105 [10]

Answer:

The answer to your question is below

Explanation:

Ionic bond is a kind of bond in which a metal attaches to a nonmetal. Also we know that a molecule has ionic bonding if the electronegativity is higher than 1.7.

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a) MgO         Metal - Nonmetal                3.44 -  1.31 = 2.13                     Ionic

b) SrCl₂        Metal -Nonmetal                  3.16 - 0.95 = 2.21                    Ionic

c) O₃             Nonmetal- Nonmetal          3.44 - 3.44 = 0                      Covalent

d) CH₄O       Nonmetal-Nonmetal           3.44 - 2.55 = 0.89                Covalent

   Carbon, Hydrogen and oxygen are nonmetals

2) Silver coins can conduct electricity.

4 0
3 years ago
I really need help. Please.... I have to pass this class, and i'm a little lost. (15 pts.) Please keep in mind that I am a PLATO
Usimov [2.4K]
Ooo im taking chem this semester and just around this subject,
 water is neutral and <span>H2CO3cant act as b-l base soo </span>the answer is  HCIO4(aq)
3 0
4 years ago
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