Explain why all reactions have an activation energy, using your knowledge of collision theory

1)Explain why all reactions have an activation energy, using your knowledgeof collision theory.

The other way of increasing the rate of a reaction is to use a catalyst. This provides an alternative reaction pathway, where the activation energy is lower. This means that there are more collisions above the activation energy so the reaction occurs faster. Note, a catalyst is not used up during a reaction so can be reused - this lowers the cost in industrial processes, especially as lower temperatures and pressures can be used.

What is the acceleration of a 57-kg vehicle if its engine gives off a force of 2,500N?

How much force is needed to accelerate a 945.0-kg car at a rate 83.0 m/s 2

based on the given discussion,define the following terms in ​

State the problem science ​

Learning Task 2: Materials 1 Sugar and water 2. Oil and watter 3. Vinegar and water 4. Salt and pepper 5. leaf and water Visible Not Uniform Visi- ble … Non- Uniform 1. Which mixture/s is/are uniform in appearance? Why? 2. Which mixture/s is/are non-uniform in appearance? Why? State of Matter​

element and compound​

what is rational choice theory and its relation with social behavior​

what is the significance of understanding the characteristics of the earth​

in the above situation? What do you observe in the picture? Can you tell that there is a problem If you say yes, you are absolutely correct! It means … that you are truly aware of what is happening now in the world, particularly in our country. Natural disasters and pandemic are experienced by most of the people. Now, what do you think are the solutions to this problem? This pandemic has brought many cases of deaths, loss of jobs, shut down of business and a lot more. But basically as of today, you will experience its ef- fect because under this state of calamity in our country, you are staying at home while learning. Isn't it hard? Or you already appreciate staying with your family while you are studying? Whatever you are feeling right now, that's okay. You will now be analyzing the situation by determining the components of scien- tific investigation. A systematic method of solving problems around us. What do you think are the possible researchable problems in the given illustrations? LA LANGIS​

Special Products Factoring Techniques​

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Chapter 18 / Exercise 18.13

General Chemistry

Ebbing/Gammon

Why do you think that looking for solutions to COVID-19 is important?​

Learning Task 2: Complete the table to be familiarized with the extinct ani mals of the Philippines. Identify their common names. Use the pool of word … s below. Extinct Animals in the Philippines common namo / scientific Description Common name / scientific namo Period 1. Introduced in the 13th-16th? century from Sabah in the reign of the Sultanate of Sulu, and became extinct on Maguindanao or were transported back to Sabah. Bone fragments are the only proof left behind of their existence 2. Once roamed in the plains of Luzon, Mindanao entire Philippine Archipelago, Unfavorable geographical conditions and human ex- ploitation caused their extinction. 3. Discovered in Palawan in 2011. The fos- ad has not yet been extracted from the rocks in fear of destroying the natural her- itage caves of Palawan, Future technology in loseil extraction is the only way to get and identify the fossil. 4. Excavations in Callao Cave, in the low land (e. 85 m elevation) Cagayan Riv. er Valley of northeastern Luzon, Philip pines, have produced the first fossils of any endemic genera of Philip- pine murinae rodents​

Activity 5: Checking for Forces Direction: Read the situation below and identify at least six (6) action-reaction force pairs in the diagram. The man … standing on the ground is pulling the rope attached to the car on his right side while he is pulling the tree attached to the rope on his left side. He is exerting the same amount of force in each side.​

my critical analysis our government in​

may question ako brainliest ko makasagot ​

What type of plate is represented by the pebbles what about the fine sand why do you say so?

pano po sagutan to science sub?

oceanic-oceanic geological feature​

need help asap! matinong sagot langA Hello! I'm back. Can you help me with this activity. Can you help me describe what happens to these two convergin … g oceanic plates below? Using the information given above, describe the Geologic process, events or features from the plate movement below by answering the given questions (For more details about this convergence use this link to watch a video about convergence of two oceanic plates 1. Can you describe what geologic features are formed on top of plate A? 2. Can you describe what geologic features are formed on top of plate B? 3. Can you describe what happens when plates A and B collide? 4. What happens to the leading edge of the plate B as it continues to move downward plate A? 5. What other geologic processes/events might take place with the convergence of these two oceanic plates?​

Why do crime rates vary from time to time and from culture to culture?​