subject

Chemistry, 17.12.2020 18:20 cheyennebatz3609

Copper has a specific heat of approximately 0.40 J/g °C. 1000 J of energy is required to heat a sample of copper from 15 °C to 40 °C. What is the mass of the sample of copper

ansver

Answers: 2

Show answers

Another question on Chemistry

question

Chemistry, 22.06.2019 03:30

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?

Answers: 1

question

Chemistry, 22.06.2019 10:30

Balance and in which category does it fit in? single or double displacement or synthesis or decomposition? (a) k2 o → k + o2 (b) na + i2 → nai (c) cu(no3 )2 + naoh → cu(oh)2 + nano3 (d) kclo3 → kcl + o2 (e) ca(no3 )2 + hbr → cabr2 + hno3 (f) sn(oh)2 → sno + h2 o (g) p4 + n2 o → p4 o6 + n2 (h) fe + al2 (so4 )3 → feso4 + al (i) alcl3 + na2 co3 → al2 (co3 )3 + nacl (j) c3 h6 + o2 → co2 + h2 o

Answers: 1

question

Chemistry, 22.06.2019 15:30

What is the atomic number of an atom that has 6 protons

Answers: 1

question

Chemistry, 23.06.2019 00:00

What is the empirical formula of a compound that is 50.7% antimony and 49.3% selenium ?

Answers: 2

You know the right answer?

Copper has a specific heat of approximately 0.40 J/g °C. 1000 J of energy is required to heat a samp...

Questions

question

Social Studies, 11.02.2020 17:21

What is an argument against using adoption studies for assessing the relative influences of genetics and environment on child development? a. Adoptive...

question

Mathematics, 11.02.2020 17:21

You have a set of 10 cards numbered 1 to 10. You choose a card at random . Event A is choosing a number less than 7. Event 8 is choosing an odd number...

question

English, 11.02.2020 17:21

Fred: (waves to Sarah) Hi, umm... I just moved here. My name is Fred. Sarah: Hi Fred. Where are you from? Fred: Florida. The weather here in Michigan...

question

Mathematics, 11.02.2020 17:21

On any particular Saturday evening, the probability that Jenna will go to the movies and go for coffee is start fraction one over five end fraction fu...

question

History, 11.02.2020 17:21

Who made the missouri comprimise...

question

Business, 11.02.2020 17:21

A major consideration in questionnaire design is whether the questions used accurately reflect the beliefs and attitudes of respondents. The wrong wor...

question

Health, 11.02.2020 17:21

Abdul has volunteered to participate in an experiment evaluating the effectiveness of aspirin. Neither he nor the experimenters know whether the pills...

question

Business, 11.02.2020 17:21

You have just made your first $5,500 contribution to your retirement account. Assume you earn a return of 12 percent per year and make no additional c...

question

Computers and Technology, 11.02.2020 17:21

Classify the following attributes as binary, discrete, or continuous. Also classify them as qualitative (nominal or ordinal) or quantitative (interval...

question

Business, 11.02.2020 17:21

A database into which employees manually input customer names and addresses is riddled with errors and you have been charged with rectifying the situa...

question

Physics, 11.02.2020 17:21

Calculate the kinetic energy of a 10kg cart traveling at 4 m/s?...

question

Mathematics, 11.02.2020 17:22

Stacia needs 39 3939 diamonds for every 3 33 chandeliers she makes. Complete the table using equivalent ratios....

question

Mathematics, 11.02.2020 17:22

¿Qué ocurre si un par de líneas paralelas se giran? A) Las líneas permanecen paralelos sólo si gira 180. B) Las líneas permanecen paralel...

question

Health, 11.02.2020 17:22

Which is a result of using a machine? 1. The mechanical advantage makes the work output greater than the work input. 2. The machin...

question

English, 11.02.2020 17:22

Take a look at "Big Changes in the Music Biz." Explain why some people believe there are better days ahead for the music industry. A...

question

History, 11.02.2020 17:22

In what situation would the government use a no-bid contract? O A. in the case of an emergency O B. when there's a budget surp...

question

Health, 11.02.2020 17:22

A 57-year-old maintenance worker comes to your office for evaluation of pain in his legs. He has smoked two packs per day since the age of 16, but he...

question

Social Studies, 11.02.2020 17:22

A few days before flying to San Francisco, Jim watched a documentary about the 1906 earthquake that devastated the city. Even though the chance of get...

question

Health, 11.02.2020 17:22

Phytosterols can alter absorption of certain molecules by the intestinal tract. Why would they be a beneficial dietary supplement for people with high...

question

Geography, 11.02.2020 17:22

Which of the following correctly lists speeds from slowest to fastest? A) Earth's orbital speed about the Sun, typical speeds of stars in the lo...

More questions: Chemistry Another questions

Questions on the website: 13722359