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
iren [92.7K]
4 years ago
7

Which of the following methods will usually cause a reaction to speed up? Combining the reactants at a lower temperature. Reduci

ng the concentration of reactants. Grinding one of the reactants into a powder. Removing the catalyst.
Chemistry
2 answers:
Aneli [31]4 years ago
6 0
Ans: grinding one of the reactants into a powder.

this increases the surface area and hence there would be more chances of collisions happening. therefore reaction rate would increase
vredina [299]4 years ago
3 0

The answer is A. Changing the temperature from 90ºC to 40ºC

You might be interested in
If a car travels 400.0 meters in 20.0 seconds, how fast is it going?<br> m/s<br> Please help me
Viefleur [7K]

Answer:

20m/s.

Explanation:

8 0
3 years ago
CAN SOMEONE HELP ME!!!
NISA [10]

Answer:

I think D

Explanation:

4 0
3 years ago
Read 2 more answers
Please answer this thanks!!...
Alex17521 [72]

Answer:sorry.

Explanation:

4 0
3 years ago
What is the molar mass of (NH4)3 PO4? 113g, 121g, 149g, 339g
allochka39001 [22]
(NH4)3PO4 :

N = 14 * 3 =  42
H = 1 * 12 = 12
P = 31 * 1 = 31
O = 16 * 4 = 64
-------------------------
42+12+31+64 =  149 g / mol

Hope this helps!.


7 0
3 years ago
Most elements are ____________. The _____________ elements on the left of the stair-step line on the ______________ of Elements
Vlada [557]

Answer:

metals, 88 , periodic table , luster , heat, electricity , thin, right, opposite , appearance , luster  , malleable , ductile, opposite , shiny, moderately

Explanation:

metals, 88 , periodic table , luster , heat, electricity , thin, right, opposite , appearance , luster  , malleable , ductile, opposite , shiny, moderately Is the answer.

(Hope this helps can I pls have brainlist (crown)☺️)

4 0
2 years ago
Other questions:
  • Chemists can use moles to calculate: A. How much of the products are needed and how much reactant will be made. B. How much prod
    9·1 answer
  • Explain the term, selective solubility
    13·1 answer
  • Which of the following would be more likely to conduct electrons? Strontium or Iodine? Defend your choice.
    12·1 answer
  • Suppose you start with a solution of red dye #40 that is 3.1 ✕ 10−5 M. If you do four successive volumetric dilutions pipetting
    6·1 answer
  • If I raise the Celsius scale by 15 degrees, how<br> much will I be raising it in the Kelvin Scale?
    9·1 answer
  • g, Assuming the precipitate is totally insoluble in water, which aqueous ions will be present in the solution (collected in the
    7·1 answer
  • Please help me...thank you so much..
    6·1 answer
  • What is sound energy?
    6·2 answers
  • There are many ways of generating electrical energy. Research three of the following, describe how they work, and discuss the pr
    6·1 answer
  • Charlie is frying an egg in a pan located over a gas burner. He develops a model to determine the energy produced by the flame i
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!