Recent activity by Sankha Rathnayake

Question

1. Draw a model for the equation CaO + H₂O → Ca(OH)₂ 2. Count the number of calcium, oxygen and hydrogen atoms in the reactants. 3. Count the number of calcium, oxygen and hydrogen atoms in the products.

answered Jan 2

1 answer 119k views

A proton and an alpha - particle are accelerated through same potential difference. Then, the ratio of de-Broglie wavelength of proton and alpha-particle is A. 2 B. 2√2 C. 1/2√2 D.√2

asked Dec 23, 2024

1 answer 44.4k views

what project can i do as a first year student for my computer diagnosis class? can i have 3 easy options that would be possible for me who doesn’t know how to code to accomplish this project?

answered Dec 17, 2024

1 answer 146k views

Which of the following would be included in a job posting? A. Brief description of competencies, responsibilities, and company profits B. Brief description of competencies, responsibilities, and stock

answered Nov 29, 2024

1 answer 55.7k views

What is the unit price of a Mt. Dew if a six packs costs $2.70. * O $0.40 O $16.20 O $8.70 O $0.45

answered Nov 12, 2024

2 answers 217k views

What type of pain is involved with the spinothalamic tract?

asked Nov 6, 2024

1 answer 135k views

What is the 7th category of social media? Explain/Examples?

asked Nov 3, 2024

1 answer 74.3k views

Fossil Sunlight is an important perpetual natural resource.

asked Aug 15, 2024

1 answer 170k views

How did Interchangeable Parts improve technology? Please and Thank you!!! :)

answered Aug 9, 2024

1 answer 119k views

Is there a name for the relation between a proposition and the proposition formed after applying the diamond modal operator?

asked Jun 25, 2024

1 answer 97.8k views

Fill in the blank in the following sentence with the appropriate verb in the future tense. Hoy, Maria le O A. dira OB. dijo O c. dice OD. dire la verdad a su madre.

answered May 25, 2024

1 answer 86.2k views

What is the acronym for remembering coordinating conjunctions?

asked Apr 17, 2024

1 answer 88.2k views

Theo adds two-thirds of a cup of water to a pancake recipe and then decides to add an additional quarter cup of water. Theo knows he added almost a total cup of water. How much less than a cup did Theo

asked Apr 14, 2024

1 answer 3.7k views

In a D/D/1 queueing systems, the arrival rate and service rate are equal to 9 customers/hour and 12 customers/hour, respectively. What is the average queue length?

asked Feb 4, 2024

1 answer 182k views

A boat sails 6km from point X on a bearing of 065° and then travels 13km on a bearing of 136° to reach point Z. Find the distance between point Y and Z. A) 14 km B) 15 km C) 16 km D) 17 km

asked Jan 20, 2024

1 answer 27.2k views

Which of the following is not a widely acknowledged problem with using the CPI as a measure of the cost of living? Options: Option 1: Substitution bias. Option 2: Introduction of new goods. Option 3: Unmeasured

asked Jan 9, 2024

1 answer 123k views

12. Find the unit rate: A box of 75 diapers costs $15.75. Each diaper in that box costs

answered Dec 13, 2023

1 answer 6.4k views

What is the reflection?

asked Nov 13, 2023

1 answer 167k views

Mica is trying to beat his high score on his favorite video game. He unlocks some special mini-games where he earns points for each one he completes. Before he begins playing the mini-games, Mica has 500

answered Sep 24, 2023

1 answer 94.5k views

URGENT PLSSS WORTH 50 POINTS!! Explain what the most important supporting detail is in this paragraph and why. Your answer should be 2 to 3 sentences long

answered Jul 29, 2023

1 answer 106k views

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