1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Lesechka [4]
2 years ago
7

Which of the following is an example of organic insecticides? a) Aldrin b) Lead arsenate c) Lime sulphur d) Fluorides​

Chemistry
1 answer:
PolarNik [594]2 years ago
6 0

Explanation:

i chose b, but im not so sure.

You might be interested in
The following reaction occurs in aqueous solution: NH4 + (aq) + NO2 - → N2 (g) + 2H2O (l) The data below is obtained at 25°C.
GREYUIT [131]

Answer: The order with respect to NH_4^+ is 1.

Explanation:

Rate law says that rate of a reaction is directly proportional to the concentration of the reactants each raised to a stoichiometric coefficient determined experimentally called as order.

NH_4^++NO_2^-\rightarrow N_2+2H_2O

Rate=k[NH_4^+]^x[NO_2^-]^y

k= rate constant

x = order with respect to NH_4^+

y = order with respect to ANO_2^-

n = x+y = Total order

From trial 1: 3.2\times 10^{-3}=k[0.0100]^x[0.200]^y    (1)

From trial 2: 6.4\times 10^{-3}=k[0.0200]^x[0.200]^y    (2)

Dividing 2 by 1 :\frac{6.4\times 10^{-3}}{3.2\times 10^{-3}}=\frac{k[0.0100]^x[0.2000]^y}{k[0.0200]^x[0.200]^y}

2=2^x,2^1=2^x therefore x=  1

Thus order with respect to NH_4^+ is 1.

8 0
3 years ago
Why do covalent compounds tend to have lower melting points than ionic compounds?
vitfil [10]
Because ionic compounds' strong bonds form network structures, which have a stronger attraction than the covalent compounds which are molecules.
6 0
3 years ago
Read 2 more answers
PLEASE HELP I WILL GIVE YOU 50 POINTS
Tamiku [17]
According to Raoult's law, Vapor pressure is directly proportional to the mole fraction of the solution. As 1.0 M CaF2 has least moles here, it has lowest vapor pressure.

In short, Your Answer would be Option D

Hope this helps!
8 0
3 years ago
Read 2 more answers
A French manufacturer of water heaters marks 60 degrees Celsius as "normal temperature" on its thermostats. What is this tempera
Nezavi [6.7K]
Celsius to fahrenheit:

ºF = ºC x 1.8 + 32

ºF = 60 x 1.8 + 32

ºF = 108 + 32

= 140 ºF

Celsius to kelvin:

K = ºC +273.15

K = 60 + 273.15

 = 333.15 K

hope this helps dude!

6 0
3 years ago
I don't know any things
d1i1m1o1n [39]
A cell is made of molecules and a molecule is made of atoms. That's the simplest way of putting it. More complicated is that a cell is made up of macromolecules, such as proteins, lipids, etc. A molecule is a particular configuration of atoms.
4 0
3 years ago
Read 2 more answers
Other questions:
  • At high pressures how does the volume of a real gas compare with the volume of an ideal gas under the same conditions and why
    5·2 answers
  • One tablespoon of peanut butter has a mass of 15 g . It is combusted in a calorimeter whose heat capacity is 120 kJ/∘C . The tem
    5·1 answer
  • What happens in the artificial transmutation of an element? Include an example.
    15·1 answer
  • Calculate the amount of energy released in the formation of one mole of BaSe bonds (not lattice energy). The radius of the bariu
    13·1 answer
  • What must be true of a substance with a lot
    8·2 answers
  • ANSWER ASAP!
    12·2 answers
  • What does AS> O mean?
    6·1 answer
  • How many atoms are in 12 moles of silver?
    10·1 answer
  • If a 2.75 L gas sample is held at a constant temperature, and its pressure is changed from 750.0 torr to 360.0 torr, what will t
    10·1 answer
  • When the motor has finished pulling the roller coaster car to the top of the very first hill, what moves the car down the hill?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!