What happens when the chemicals inside an instant cold pack mix together Brainly?
the mixture inside the pack gives off coldness. the mixture absorbs thermal energy from the surroundings. D. the mixture releases thermal energy into the surroundings.
Is dry ice evaporating exothermic or endothermic?
Answer:(a) The process “dry ice evaporating” is an endothermic process and for this process will have a positive sign. (b) The process “a sparkler burning” is an exothermic process and for the process will have a negative sign.
When two chemicals mix inside an ice pack the ice pack feels cold to the touch this type of chemical reaction is known as?
Endothermic
What type of reaction is occurring when you activate an instant cold pack Brainly?
An instant cold pack is a device that consists of two bags; one containing water, inside a bag containing ammonium nitrate, calcium ammonium nitrate or urea. When the inner bag of water is broken by squeezing the package, it dissolves the solid in an endothermic reaction.
What type of reaction feels cold to the touch?
Explanation: Endothermic reactions are those that must absorb energy from their surroundings. This can include absorbing heat from the container they are in, or from your fingertips. The result is that both the container and your fingers will feel cold.
Which substance could be used to make a hot pack for muscle injuries?
Commercial instant cold packs typically use either ammonium nitrate or urea as their salt component; hot packs often use magnesium sulfate or calcium chloride.
What can I use as a hot compress?
You can just as easily make a dry warm compress using materials you have at home. Instead of a towel, gather some uncooked rice and a clean, long sock. You can use salt if you don’t have any rice on hand. You’ll also need a source of heat, such as a microwave.
What is the best warm compress for eye?
The Bruder Moist Heat Eye Compress is the best warm eye compress for the treatment of Blepharitis because of it’s simplicity and convenience. The Bruder Moist Heat Eye Compress is reusable and portable, requiring no water or wires to provide the deep penetrating relief you need to soothe red, irritated eyes.
How long should you keep a warm compress on your eye?
Put a warm, moist compress on your eye for 5 to 10 minutes, 3 to 6 times a day. Heat often brings a stye to a point where it drains on its own. Keep in mind that warm compresses will often increase swelling a little at first. Do not use hot water or heat a wet cloth in a microwave oven.
Can I put a sock in the microwave?
Microwave your socks and watch the same thing happen. Anything with elastic can potentially set fire to the cotton material your clothes are made out of.
Can I warm up a towel in the microwave?
A faster and more sure way to heat up your towel is to simply nuke it in the microwave. Run your towel under the kitchen faucet, then wring it out so that it’s just slightly damp. Throw it in a Pyrex dish or on a plate and microwave for 30 seconds. Presto.
Will cloth catch fire in the microwave?
Will fabric burn in the microwave? Microwaving just a piece of fabric will do nothing to the fabric, but it will not absorb the heat that was created and could cause damage to your microwave, similar to if you were to turn your microwave on with nothing in it.
Can fabric catch on fire in microwave?
Don’t use 100% cotton, though, which can catch fire in the microwave. Your combination of cotton and “scrim” is fine, so long as it’s not microwaved for too long.
Is fleece safe to microwave?
You can use the fleece as an outer covering but not to put in the microwave oven. =)
Can I put flannel in the microwave?
Fabric Ideas: use old towels, fleece, velour knits, pretty fabric prints and flannels (don’t microwave anything other than cotton fabrics). The softer & fluffier & better!